CVE-2023-0547

—

CVSS 3.1

6.5 medium

EPSS

<1%p31

Published

Jun 2, 2023 (Jun 2, 2023)

Modified

Jun 17, 2026

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.

Vendors: mozilla
Products: thunderbird
Weakness: CWE-295
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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