Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2024-9680

Mozilla Firefox Use-After-Free Vulnerability

CriticalExploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Firefox, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Nov 5, 2024.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
FirefoxMozilla< 115.16.1; < 131.0.2; >= 128.1.0, < 128.3.1; < 115.16.0; >= 128.0.1, < 128.3.1; 131.0115.16.1; 131.0.2; 128.3.1; 115.16.0KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2024-9680 scored CVSS 9.8: Mozilla Firefox, Mozilla Firefox Use-After-Free Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched Firefox systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2024-9680: Mozilla Firefox, Mozilla Firefox Use-After-Free Vulnerability

    An official fix is now available for Mozilla Firefox. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • mozilla.org https://www.mozilla.org/en-US/security/advisories/mfsa2024-51/
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2024-9680
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1923344
  • msrc.microsoft.com https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-51/
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2024-52/
  • bugs.freebsd.org https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281992
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/10/msg00005.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/10/msg00006.html
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-9680