{"history":[{"alert":0,"cve":"CVE-2023-4863","id":22637,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":20256,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":18223,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":16287,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":14265,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":12047,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":10033,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":7581,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":1,"cve":"CVE-2023-4863","id":6199,"kind":"cna","observed_at":1793809200,"payload":"{\"containers\": {\"adp\": [{\"providerMetadata\": {\"dateUpdated\": \"2024-08-19T07:48:10.265Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_transferred\"], \"url\": \"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://crbug.com/1479274\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://en.bandisoft.com/honeyview/history/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://security-tracker.debian.org/tracker/CVE-2023-4863\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1215231\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://news.ycombinator.com/item?id=37478403\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://www.debian.org/security/2023/dsa-5496\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://www.debian.org/security/2023/dsa-5497\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://www.debian.org/security/2023/dsa-5498\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://security.gentoo.org/glsa/202309-05\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://github.com/webmproject/libwebp/releases/tag/v1.3.2\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/21/4\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://blog.isosceles.com/the-webp-0day/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/1\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/3\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/4\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/5\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/8\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/7\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/6\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/26/1\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/26/7\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/28/1\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/28/2\"}, {\"tags\": [\"x_transferred\"], \"url\": \"http://www.openwall.com/lists/oss-security/2023/09/28/4\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://security.netapp.com/advisory/ntap-20230929-0011/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://sethmlarson.dev/security-developer-in-residence-weekly-report-16\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://www.bentley.com/advisories/be-2023-0001/\"}, {\"tags\": [\"x_transferred\"], \"url\": \"https://security.gentoo.org/glsa/202401-10\"}, {\"url\": \"https://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863\"}], \"title\": \"CVE Program Container\"}, {\"metrics\": [{\"cvssV3_1\": {\"attackComplexity\": \"LOW\", \"attackVector\": \"NETWORK\", \"availabilityImpact\": \"HIGH\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"scope\": \"UNCHANGED\", \"userInteraction\": \"REQUIRED\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"version\": \"3.1\"}}, {\"other\": {\"content\": {\"id\": \"CVE-2023-4863\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2023-11-28T05:00:18.341149Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2023-09-13\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2025-10-21T23:05:38.429Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2023-09-13T00:00:00.000Z\", \"value\": \"CVE-2023-4863 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"product\": \"Chrome\", \"vendor\": \"Google\", \"versions\": [{\"lessThan\": \"116.0.5845.187\", \"status\": \"affected\", \"version\": \"116.0.5845.187\", \"versionType\": \"custom\"}]}, {\"product\": \"libwebp\", \"vendor\": \"Google\", \"versions\": [{\"lessThan\": \"1.3.2\", \"status\": \"affected\", \"version\": \"1.3.2\", \"versionType\": \"custom\"}]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)\"}], \"problemTypes\": [{\"descriptions\": [{\"description\": \"Heap buffer overflow\", \"lang\": \"en\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2024-01-07T11:07:27.027Z\", \"orgId\": \"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28\", \"shortName\": \"Chrome\"}, \"references\": [{\"url\": \"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html\"}, {\"url\": \"https://crbug.com/1479274\"}, {\"url\": \"https://en.bandisoft.com/honeyview/history/\"}, {\"url\": \"https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/\"}, {\"url\": \"https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/\"}, {\"url\": \"https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a\"}, {\"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863\"}, {\"url\": \"https://security-tracker.debian.org/tracker/CVE-2023-4863\"}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1215231\"}, {\"url\": \"https://news.ycombinator.com/item?id=37478403\"}, {\"url\": \"https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/\"}, {\"url\": \"https://www.debian.org/security/2023/dsa-5496\"}, {\"url\": \"https://www.debian.org/security/2023/dsa-5497\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/\"}, {\"url\": \"https://www.debian.org/security/2023/dsa-5498\"}, {\"url\": \"https://security.gentoo.org/glsa/202309-05\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/\"}, {\"url\": \"https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/\"}, {\"url\": \"https://github.com/webmproject/libwebp/releases/tag/v1.3.2\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/21/4\"}, {\"url\": \"https://blog.isosceles.com/the-webp-0day/\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/3\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/4\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/5\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/8\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/7\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/22/6\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/26/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/26/7\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/28/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/28/2\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/09/28/4\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230929-0011/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/\"}, {\"url\": \"https://sethmlarson.dev/security-developer-in-residence-weekly-report-16\"}, {\"url\": \"https://www.bentley.com/advisories/be-2023-0001/\"}, {\"url\": \"https://security.gentoo.org/glsa/202401-10\"}]}}, \"cveMetadata\": {\"assignerOrgId\": \"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28\", \"assignerShortName\": \"Chrome\", \"cveId\": \"CVE-2023-4863\", \"datePublished\": \"2023-09-12T14:24:59.275Z\", \"dateReserved\": \"2023-09-09T01:02:58.312Z\", \"dateUpdated\": \"2025-10-21T23:05:38.429Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.1\"}"},{"alert":0,"cve":"CVE-2023-4863","id":5358,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":0,"cve":"CVE-2023-4863","id":3140,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.99979, \"percentile\": 0.9998}"},{"alert":1,"cve":"CVE-2023-4863","id":774,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2023-4863\", \"cwes\": [\"CWE-787\"], \"dateAdded\": \"2023-09-13\", \"dueDate\": \"2023-10-04\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1; https://nvd.nist.gov/vuln/detail/CVE-2023-4863\", \"product\": \"Chromium WebP\", \"requiredAction\": \"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\", \"shortDescription\": \"Google Chromium WebP contains a heap-based buffer overflow vulnerability that allows a remote attacker to perform an out-of-bounds memory write via a crafted HTML page. This vulnerability can affect applications that use the WebP Codec.\", \"vendorProject\": \"Google\", \"vulnerabilityName\": \"Google Chromium WebP Heap-Based Buffer Overflow Vulnerability\"}"}],"record":{"affected":[{"product":"Chrome","vendor":"Google","versions":[{"lessThan":"116.0.5845.187","status":"affected","version":"116.0.5845.187","versionType":"custom"}]},{"product":"libwebp","vendor":"Google","versions":[{"lessThan":"1.3.2","status":"affected","version":"1.3.2","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-19T07:48:10.265Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_transferred"],"url":"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html"},{"tags":["x_transferred"],"url":"https://crbug.com/1479274"},{"tags":["x_transferred"],"url":"https://en.bandisoft.com/honeyview/history/"},{"tags":["x_transferred"],"url":"https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/"},{"tags":["x_transferred"],"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/"},{"tags":["x_transferred"],"url":"https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a"},{"tags":["x_transferred"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863"},{"tags":["x_transferred"],"url":"https://security-tracker.debian.org/tracker/CVE-2023-4863"},{"tags":["x_transferred"],"url":"https://bugzilla.suse.com/show_bug.cgi?id=1215231"},{"tags":["x_transferred"],"url":"https://news.ycombinator.com/item?id=37478403"},{"tags":["x_transferred"],"url":"https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/"},{"tags":["x_transferred"],"url":"https://www.debian.org/security/2023/dsa-5496"},{"tags":["x_transferred"],"url":"https://www.debian.org/security/2023/dsa-5497"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/"},{"tags":["x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/"},{"tags":["x_transferred"],"url":"https://www.debian.org/security/2023/dsa-5498"},{"tags":["x_transferred"],"url":"https://security.gentoo.org/glsa/202309-05"},{"tags":["x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/"},{"tags":["x_transferred"],"url":"https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/"},{"tags":["x_transferred"],"url":"https://github.com/webmproject/libwebp/releases/tag/v1.3.2"},{"tags":["x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/21/4"},{"tags":["x_transferred"],"url":"https://blog.isosceles.com/the-webp-0day/"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/1"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/3"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/4"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/5"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/8"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/7"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/22/6"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/26/1"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/26/7"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/28/1"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/28/2"},{"tags":["x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/09/28/4"},{"tags":["x_transferred"],"url":"https://security.netapp.com/advisory/ntap-20230929-0011/"},{"tags":["x_transferred"],"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/"},{"tags":["x_transferred"],"url":"https://sethmlarson.dev/security-developer-in-residence-weekly-report-16"},{"tags":["x_transferred"],"url":"https://www.bentley.com/advisories/be-2023-0001/"},{"tags":["x_transferred"],"url":"https://security.gentoo.org/glsa/202401-10"},{"url":"https://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863"}],"title":"CVE Program Container"},{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},{"other":{"content":{"id":"CVE-2023-4863","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2023-11-28T05:00:18.341149Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2023-09-13","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-21T23:05:38.429Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863"}],"timeline":[{"lang":"en","time":"2023-09-13T00:00:00.000Z","value":"CVE-2023-4863 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Chrome","vendor":"Google","versions":[{"lessThan":"116.0.5845.187","status":"affected","version":"116.0.5845.187","versionType":"custom"}]},{"product":"libwebp","vendor":"Google","versions":[{"lessThan":"1.3.2","status":"affected","version":"1.3.2","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)"}],"problemTypes":[{"descriptions":[{"description":"Heap buffer overflow","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2024-01-07T11:07:27.027Z","orgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","shortName":"Chrome"},"references":[{"url":"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html"},{"url":"https://crbug.com/1479274"},{"url":"https://en.bandisoft.com/honeyview/history/"},{"url":"https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/"},{"url":"https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/"},{"url":"https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a"},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863"},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-4863"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1215231"},{"url":"https://news.ycombinator.com/item?id=37478403"},{"url":"https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/"},{"url":"https://www.debian.org/security/2023/dsa-5496"},{"url":"https://www.debian.org/security/2023/dsa-5497"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/"},{"url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/"},{"url":"https://www.debian.org/security/2023/dsa-5498"},{"url":"https://security.gentoo.org/glsa/202309-05"},{"url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/"},{"url":"https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/"},{"url":"https://github.com/webmproject/libwebp/releases/tag/v1.3.2"},{"url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/21/4"},{"url":"https://blog.isosceles.com/the-webp-0day/"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/1"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/3"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/4"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/5"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/8"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/7"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/22/6"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/26/1"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/26/7"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/28/1"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/28/2"},{"url":"http://www.openwall.com/lists/oss-security/2023/09/28/4"},{"url":"https://security.netapp.com/advisory/ntap-20230929-0011/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/"},{"url":"https://sethmlarson.dev/security-developer-in-residence-weekly-report-16"},{"url":"https://www.bentley.com/advisories/be-2023-0001/"},{"url":"https://security.gentoo.org/glsa/202401-10"}]}},"cveMetadata":{"assignerOrgId":"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28","assignerShortName":"Chrome","cveId":"CVE-2023-4863","datePublished":"2023-09-12T14:24:59.275Z","dateReserved":"2023-09-09T01:02:58.312Z","dateUpdated":"2025-10-21T23:05:38.429Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"cna_checked":1794241201,"cve":"CVE-2023-4863","description":"Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)","epss":{"date":"2026-11-12","epss":0.99979,"percentile":0.9998},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2023-4863","cwes":["CWE-787"],"dateAdded":"2023-09-13","dueDate":"2023-10-04","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html?m=1; https://nvd.nist.gov/vuln/detail/CVE-2023-4863","product":"Chromium WebP","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","shortDescription":"Google Chromium WebP contains a heap-based buffer overflow vulnerability that allows a remote attacker to perform an out-of-bounds memory write via a crafted HTML page. This vulnerability can affect applications that use the WebP Codec.","vendorProject":"Google","vulnerabilityName":"Google Chromium WebP Heap-Based Buffer Overflow Vulnerability"},"kev_checked":1794522003,"products":"Google Chrome, Google libwebp","references":["https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html","https://crbug.com/1479274","https://en.bandisoft.com/honeyview/history/","https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/","https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/","https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a","https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863","https://security-tracker.debian.org/tracker/CVE-2023-4863","https://bugzilla.suse.com/show_bug.cgi?id=1215231","https://news.ycombinator.com/item?id=37478403","https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/","https://www.debian.org/security/2023/dsa-5496","https://www.debian.org/security/2023/dsa-5497","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/","https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/","https://www.debian.org/security/2023/dsa-5498","https://security.gentoo.org/glsa/202309-05","https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/","https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/","https://github.com/webmproject/libwebp/releases/tag/v1.3.2","https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/","http://www.openwall.com/lists/oss-security/2023/09/21/4","https://blog.isosceles.com/the-webp-0day/","http://www.openwall.com/lists/oss-security/2023/09/22/1","http://www.openwall.com/lists/oss-security/2023/09/22/3","http://www.openwall.com/lists/oss-security/2023/09/22/4","http://www.openwall.com/lists/oss-security/2023/09/22/5","http://www.openwall.com/lists/oss-security/2023/09/22/8","http://www.openwall.com/lists/oss-security/2023/09/22/7","http://www.openwall.com/lists/oss-security/2023/09/22/6","http://www.openwall.com/lists/oss-security/2023/09/26/1","http://www.openwall.com/lists/oss-security/2023/09/26/7","http://www.openwall.com/lists/oss-security/2023/09/28/1","http://www.openwall.com/lists/oss-security/2023/09/28/2","http://www.openwall.com/lists/oss-security/2023/09/28/4","https://security.netapp.com/advisory/ntap-20230929-0011/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/","https://sethmlarson.dev/security-developer-in-residence-weekly-report-16","https://www.bentley.com/advisories/be-2023-0001/","https://security.gentoo.org/glsa/202401-10","https://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863"],"score":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","provider":"CISA-ADP","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Google Chromium WebP Heap-Based Buffer Overflow Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}