VULNERABILITY INTELLIGENCE

CVE-2023-0430

CVSS score6.5 MEDIUM

EPSS probability0.37%

CISA KEVNot currently listed

Published2023-06-02

Last modified2026-10-24

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

Description

Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would be displayed as having a valid signature. Thunderbird versions from 68 to 102.7.0 were affected by this bug. This vulnerability affects Thunderbird < 102.7.1.

Weakness classification

nvd@nist.gov: CWE-295
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-295

Primary references

security@mozilla.org — Issue Tracking, Vendor Advisory
security@mozilla.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Issue Tracking, Vendor Advisory