Mozilla Firefox Use-After-Free Vulnerability
Mozilla — Firefox
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.
9.8
23.2%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Oct 9, 2024
- Modified
- Aug 4, 2026
- Added to KEV
- Oct 15, 2024
- Federal patch due
- Nov 5, 2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
3 foundWeaponization
Public repositories whose name or description references CVE-2024-9680, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- tdonaworth/Firefox-CVE-2024-9680★ 11
updated Apr 14, 2025
- moscovium-mc/Tor-0day-JavaScript-Exploit★ 10
Firefox/Tor Browser 0day exploit analysis (CVE-2024-9680) A UAF in animation timelines leading to RCE. Patched.
updated Jul 13, 2026
- PraiseImafidon/Version_Vulnerability_Scanner★ 1
A vulnerability scanner for Firefox and Thunderbird that checks if your versions are out of date and susceptible to CVE-2024-9680.
updated Feb 17, 2025
References
Frequently asked questions
What is CVE-2024-9680?
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.
How severe is CVE-2024-9680?
CVE-2024-9680 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2024-9680 actively exploited in the wild?
Yes. CVE-2024-9680 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Oct 15, 2024, meaning CISA has confirmed evidence of active exploitation. It is also flagged as used in ransomware campaigns.
What is the EPSS score for CVE-2024-9680?
23.2% - meaning FIRST.org's EPSS model estimates a 23.2% probability this vulnerability will be exploited in the wild within 30 days (98% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2024-9680?
We found 3 public GitHub repositories referencing CVE-2024-9680, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2024-9680?
CVE-2024-9680 is classified under CWE-416 (CWE-416 Use After Free).
Cross-checked against
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