Home/CVE/A data race could occur in the PK11_ChangePW function, potentially leading to a use-after-free vulnerability. In Firefox
CVE

CVE-2022-38476

A data race could occur in the PK11_ChangePW function, potentially leading to a use-after-free vulnerability. In Firefox

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. This vulnerability affects Firefox ESR < 102.2 and Thunderbird < 102.2.

HIGH · CVSS 7.5 EPSS 0.00187
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

2
mozilla firefox esr< 102.2
mozilla thunderbird< 102.2
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Dec 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

18
suse-csafopenSUSE-SU-2024:12287-1
usnUSN-5663-1
suse-csafSUSE-SU-2022:3396-1
suse-csafSUSE-SU-2022:3281-1
suse-csafSUSE-SU-2022:3272-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1760998Issue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-34/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-36/Vendor Advisory
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