CVE-2022-28282

6.5 mediumEPSS 2.2%

Medium (6.5) in mozilla. EPSS 2.2% chance of exploitation in the next 30 days.

By using a link with <code>rel="localization"</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2022-12-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:firefox_esr
mozilla:thunderbird

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1751609
https://www.mozilla.org/security/advisories/mfsa2022-13/
https://www.mozilla.org/security/advisories/mfsa2022-14/
https://www.mozilla.org/security/advisories/mfsa2022-15/
https://bugzilla.mozilla.org/show_bug.cgi?id=1751609

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