CVE-2022-38476

Mozilla: Data race and potential use-after-free in PK11_ChangePW

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Severity

Low

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · August 23, 2022

Updated · November 21, 2025

Description

The Mozilla Foundation Security Advisory describes this flaw as:

A data race could occur in the PK11_ChangePW function, potentially leading to a use-after-free vulnerability. In Firefox, this lock protected the data when a user changed their master password.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

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

CWE-416 · Use After Free