CVE-2024-9680
Critical 9.8 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Mozilla Firefox Use-After-Free Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
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.
Metrics
- CVSS 3.1
-
9.8 (CRITICAL)
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 23% (percentile: 98) as of 1 November 2026
- CWE
- CWE-416
Affected products
mozilla: firefox; mozilla: thunderbird; debian: debian linux
References
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039 Not ApplicablePatchVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-51/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-52/ Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1923344 Issue TrackingPermissions Required
- https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2024/10/msg00005.html Mailing List
- https://lists.debian.org/debian-lts-announce/2024/10/msg00006.html Mailing List
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024… US Government Resource