CVE-2022-38476

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Mozilla	Firefox ESR	>= unspecified, < 102.2
Mozilla	Thunderbird	>= unspecified, < 102.2

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1760998Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-34/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-36/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1760998Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-34/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-36/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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