Description
A data race could occur in the <code>PK11_ChangePW</code> function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password. This vulnerability affects Firefox ESR < 102.2 and Thunderbird < 102.2.
References (3)
Core 3
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1760998
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-34/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-36/
Scores
CVSS v3
7.5
EPSS
0.0019
EPSS Percentile
40.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-416
Status
published
Products (2)
mozilla/firefox_esr
< 102.2
mozilla/thunderbird
< 102.2
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026