CVE-2023-0547

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1811298	Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-15/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1811298	Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-15/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

History

23 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) El estado de revocación OCSP de los certificados del destinatario no se verificaba al enviar correo electrónico cifrado S/Mime, y se aceptarían certificados revocados. Las versiones de Thunderbird de la 68 a la 102.9.1 se vieron afectadas por este error. Esta vulnerabilidad afecta a Thunderbird anterior a 102.10.

Information

Published : 2023-06-02 17:15

Updated : 2026-10-23 23:10

NVD link : CVE-2023-0547

Mitre link : CVE-2023-0547

CVE.ORG link : CVE-2023-0547

JSON object : View

Products Affected

mozilla

thunderbird

CWE

CWE-295

Improper Certificate Validation

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