CVE-2023-0430
MEDIUMThunderbird 68.0-102.7.0 - Improper Certificate Validation for S/MIME Signatures
Title source: llmDescription
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.
References (2)
Core 2
Core References
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1769000
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-04/
Scores
CVSS v3
6.5
EPSS
0.0008
EPSS Percentile
22.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-295
Status
published
Products (1)
mozilla/thunderbird
68.0 - 102.7.1
Published
Jun 02, 2023
Tracked Since
Feb 18, 2026