CVE-2022-28282

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.

Affected

Mozilla · Thunderbird · Firefox · Firefox ESR

CVSS v3.1 NVD

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

EPSS

2.10% chance of exploitation in the next 30 days, 81st percentile

Published

2022-12-22

Updated

2025-04-15

Proof-of-concept exploits (1)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1751609

Security advisories

• https://www.mozilla.org/security/advisories/mfsa2022-13
• https://www.mozilla.org/security/advisories/mfsa2022-14
• https://www.mozilla.org/security/advisories/mfsa2022-15

References

• CVE Record
• NVD entry