Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-10-15. Ransomware campaign use: Known.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-11-05. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Mozilla / Firefox
Default status: Not specified
- affected: unspecified to < 131.0.2 (custom)
Mozilla / Firefox ESR
Default status: Not specified
- affected: unspecified to < 128.3.1 (custom)
Mozilla / Firefox ESR
Default status: Not specified
- affected: unspecified to < 115.16.1 (custom)
Mozilla / Thunderbird
Default status: Not specified
- affected: unspecified to < 131.0.1 (custom)
Mozilla / Thunderbird
Default status: Not specified
- affected: unspecified to < 128.3.1 (custom)
Mozilla / Thunderbird
Default status: Not specified
- affected: unspecified to < 115.16.0 (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://bugzilla.mozilla.org/show_bug.cgi?id=1923344
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039
- https://www.mozilla.org/security/advisories/mfsa2024-51/
- https://www.mozilla.org/security/advisories/mfsa2024-52/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-9680
- https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992
- https://lists.debian.org/debian-lts-announce/2024/10/msg00005.html
- https://lists.debian.org/debian-lts-announce/2024/10/msg00006.html
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.23184,
"percentile": 0.97795
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.23184,
"percentile": 0.97782
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.23184,
"percentile": 0.97779
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.23184,
"percentile": 0.97779
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.23184,
"percentile": 0.97777
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.23184,
"percentile": 0.97774
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.23184,
"percentile": 0.97778
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.23184,
"percentile": 0.97777
}04 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
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{
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"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*"
],
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{
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{
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{
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{
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],
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"product": "thunderbird",
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{
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{
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"status": "affected",
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},
{
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"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-9680",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-09T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-10-15",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-9680"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416 Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-04T03:55:28.598Z",
"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-2024-9680"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-10-15T00:00:00.000Z",
"value": "CVE-2024-9680 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T22:33:32.973Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00005.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00006.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "131.0.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
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"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
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"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.16.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "131.0.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "128.3.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "115.16.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Damien Schaeffer from ESET"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0."
}
],
"value": "An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Use-after-free in Animation timeline",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-11-18T18:21:58.377Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1923344"
},
{
"name": "Windows sandbox escape detected with the in-the-wild exploit",
"url": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-51/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2024-52/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2024-9680",
"datePublished": "2024-10-09T12:59:07.108Z",
"dateReserved": "2024-10-09T06:28:21.295Z",
"dateUpdated": "2026-08-04T03:55:28.598Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.23184,
"percentile": 0.97773
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.23184,
"percentile": 0.9777
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-9680",
"cwes": [
"CWE-416"
],
"dateAdded": "2024-10-15",
"dueDate": "2024-11-05",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://www.mozilla.org/en-US/security/advisories/mfsa2024-51/ ; https://nvd.nist.gov/vuln/detail/CVE-2024-9680",
"product": "Firefox",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Mozilla Firefox and Firefox ESR contain a use-after-free vulnerability in Animation timelines that allows for code execution in the content process.",
"vendorProject": "Mozilla",
"vulnerabilityName": "Mozilla Firefox Use-After-Free Vulnerability"
}