CVE-2024-9680
Mozilla Firefox Use-After-Free Vulnerability
Mozilla FirefoxApplications & CMS
CVSS
9.8CriticalExploit odds (EPSS)23.2%Chance of exploitation activity in the next 30 days, higher than 97% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA KEV
What fixes it
- 131.0.2FirefoxCVE List
- 128.3.1Firefox ESRCVE List
- 115.16.1Firefox ESRCVE List
- 131.0.1ThunderbirdCVE List
- 128.3.1ThunderbirdCVE List
- 115.16.0ThunderbirdCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Description
Mozilla Firefox and Firefox ESR contain a use-after-free vulnerability in Animation timelines that allows for code execution in the content process.
Text from CVE List
Affected versions 6
- Firefoxaffected: unspecified before 131.0.2CVE List
- Firefox ESRaffected: unspecified before 128.3.1CVE List
- Firefox ESRaffected: unspecified before 115.16.1CVE List
- Thunderbirdaffected: unspecified before 131.0.1CVE List
- Thunderbirdaffected: unspecified before 128.3.1CVE List
- Thunderbirdaffected: unspecified before 115.16.0CVE List
References 10
- mozilla.org/en-US/security/advisories/mfsa2024-51/Advisoryvia CISA KEV
- mozilla.org/security/advisories/mfsa2024-51/Advisoryvia CVE List
- mozilla.org/security/advisories/mfsa2024-52/Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2024-9680Referencevia CISA KEV
- bugzilla.mozilla.org/show_bug.cgi?id=1923344Referencevia CVE List
- msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039Referencevia CVE List
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-9680Referencevia CVE List
- bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992Referencevia CVE List
- lists.debian.org/debian-lts-announce/2024/10/msg00005.htmlReferencevia CVE List
- lists.debian.org/debian-lts-announce/2024/10/msg00006.htmlReferencevia CVE List