CVE-2022-28282

moderate-risk
Published 2022-12-22

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.

Do I need to act?

~
5.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Mozilla

References (8)

Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1751609
Exploit https://www.mozilla.org/security/advisories/mfsa2022-13/
Exploit https://www.mozilla.org/security/advisories/mfsa2022-14/
Exploit https://www.mozilla.org/security/advisories/mfsa2022-15/
Exploit https://bugzilla.mozilla.org/show_bug.cgi?id=1751609
Exploit https://www.mozilla.org/security/advisories/mfsa2022-13/
Exploit https://www.mozilla.org/security/advisories/mfsa2022-14/
Exploit https://www.mozilla.org/security/advisories/mfsa2022-15/
41
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 8/34 · Low
Exposure 9/34 · Low