CVE-2023-0547

MEDIUM

Thunderbird 68.0-102.9.1 - Improper Certificate Validation in S/MIME Encrypted Email

Title source: llm
STIX 2.1

Description

OCSP revocation status of recipient certificates was not checked when sending S/Mime encrypted email, and revoked certificates would be accepted. Thunderbird versions from 68 to 102.9.1 were affected by this bug. This vulnerability affects Thunderbird < 102.10.

References (2)

Core 2
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1811298

Scores

CVSS v3 6.5
EPSS 0.0014
EPSS Percentile 33.7%
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 none
Automatable no
Technical Impact partial

Details

CWE
CWE-295
Status published
Products (1)
mozilla/thunderbird 68.0 - 102.10
Published Jun 02, 2023
Tracked Since Feb 18, 2026