CVE-2022-42928highCWE-476

CVE-2022-42928: high-severity vulnerability in Mozilla Firefox

Published 22 Dec 2022 · Updated 15 Apr 2025

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21Vexday Risk Score

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

ssvc Trackcvss 8.8epss 0.9%

Certain types of allocations were missing annotations that, if the Garbage Collector was in a specific state, could have lead to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 106, Firefox ESR < 102.4, and Thunderbird < 102.4.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1791520 https://www.mozilla.org/security/advisories/mfsa2022-44/https://www.mozilla.org/security/advisories/mfsa2022-45/https://www.mozilla.org/security/advisories/mfsa2022-46/