CVE-2024-9680: Mozilla Firefox · An attacker was able to achieve code execution in the content process by exploiting a use-after-free
Affects Mozilla FirefoxSource GCVE Database
Exploited in the wild · used in ransomware campaigns · KEV due 5 Nov 2024 · fixed in 131.0.2 : patch Mozilla Firefox now.
Data as of 30 Oct 2026, 02:01 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- Ransomware
- Used in ransomware campaigns
- Patch
- Available – fixed in 131.0.2, 128.3.1, 115.16.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 9 Oct 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 6 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Mozilla Corporation
, 7 hours before disclosure
CVE published
on cve.org
, t = 0
Added to CISA KEV (opens in a new tab)
exploitation confirmed · ransomware use known
, 6 days after disclosure
KEV remediation due
US federal deadline
, 27 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade Mozilla Firefox to 131.0.2, 128.3.1 or 115.16.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Mozilla Firefox | Affected
| Fixed in
|
Description
CVE-2024-9680 is a critical use-after-free vulnerability in Firefox's Animation timelines that allows an attacker to achieve code execution in the content process. This flaw affects Firefox versions prior to 131.0.2 and Firefox ESR versions prior to 128.3.1 and 115.16.1. The vulnerability has been exploited in the wild, including in ransomware campaigns. Mozilla has released official patches to address this issue.
References
- nvd.nist.gov/vuln/detail/CVE-2024-9680 (opens in a new tab)
- bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992 (opens in a new tab)
- bugzilla.mozilla.org/show_bug.cgi?id=1923344 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/10/msg00005.html (opens in a new tab)
- lists.debian.org/debian-lts-announce/2024/10/msg00006.html (opens in a new tab)
- msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-9680 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-51 (opens in a new tab)
- mozilla.org/security/advisories/mfsa2024-52 (opens in a new tab)