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.
Published 2022-12-22 20:15:37
Updated 2023-01-03 20:51:37
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2022-38476

Probability of exploitation activity in the next 30 days: 0.13%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 48 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-38476

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.5
HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1.6
5.9
NIST

CWE ids for CVE-2022-38476

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-38476

Products affected by CVE-2022-38476

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