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CVE-2022-38476

Date: December 22, 2022

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.

Severity Score

Related Resources (8)

https://bugzilla.mozilla.org/show_bug.cgi?id=1760998
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-38476
https://security-tracker.debian.org/tracker/CVE-2022-38476
https://nvd.nist.gov/vuln/detail/CVE-2022-38476
https://www.mozilla.org/security/advisories/mfsa2022-36/
https://access.redhat.com/security/cve/CVE-2022-38476
https://www.mozilla.org/security/advisories/mfsa2022-34/
https://www.mend.io/vulnerability-database/CVE-2022-38476

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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