CVE-2022-45416mediumCWE-203

CVE-2022-45416: medium-severity vulnerability in Mozilla Firefox

Published 22 Dec 2022 · Updated 15 Apr 2025

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13Vexday Risk Score

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

ssvc Trackcvss 6.5epss 0.7%

Keyboard events reference strings like "KeyA" that were at fixed, known, and widely-spread addresses. Cache-based timing attacks such as Prime+Probe could have possibly figured out which keys were being pressed. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

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

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1793676 https://www.mozilla.org/security/advisories/mfsa2022-47/https://www.mozilla.org/security/advisories/mfsa2022-48/https://www.mozilla.org/security/advisories/mfsa2022-49/