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CVE-2024-9680: Mozilla Firefox Use-After-Free Vulnerability

criticalknown exploitedpublic exploitCVE-2024-9680
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Mozilla Firefox and Firefox ESR contain a use-after-free vulnerability in Animation timelines that allows for code execution in the content process.

CSIRTS triage

vendor: Mozillaproduct: FirefoxRemote code executionMemory corruption
What
A use-after-free vulnerability in Animation timelines allows for code execution in the content process.
Who is affected
Users of Mozilla Firefox and Firefox ESR are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of Firefox or Firefox ESR.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-10-15
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-9680

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-9680coverage & exploitation statusNVD · CVE.org

Recent advisories for Mozilla Firefox Use-After-Free

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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