🛡️ CVE-2022-34476
🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-20 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1. This vulnerability affects Firefox < 102.

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2022-12-22
Updated 2026-06-08
Modified 2025-04-15
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 102.0

References

Issue Tracking, Permissions Required, Vendor Advisory https://bugzilla.mozilla.org/show_bug.cgi?id=1387919
Issue Tracking, Permissions Required, Vendor Advisory https://bugzilla.mozilla.org/show_bug.cgi?id=1387919

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