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CVE-2021-38496

CVE-2021-38496

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.7%
exploitation probability
1.7%top 24% of all CVEs
observed exploitation
nono source reports it
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Affected products
Mozilla · FirefoxMozilla · Firefox ESRMozilla · Thunderbird
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1725335https://lists.debian.org/debian-lts-announce/2022/01/msg00001.htmlhttps://www.debian.org/security/2022/dsa-5034https://www.mozilla.org/security/advisories/mfsa2021-43/https://www.mozilla.org/security/advisories/mfsa2021-44/https://www.mozilla.org/security/advisories/mfsa2021-45/https://www.mozilla.org/security/advisories/mfsa2021-46/https://www.mozilla.org/security/advisories/mfsa2021-47/