Description
After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.
References (3)
Core 3
Core References
Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1750679
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-14/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-15/
Scores
CVSS v3
6.5
EPSS
0.0020
EPSS Percentile
41.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (2)
mozilla/firefox_esr
< 91.8
mozilla/thunderbird
< 91.8
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026