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CVE-2023-50761

Date: December 19, 2023

The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despite a date or time mismatch. This could be used to give recipients the impression that a message was sent at a different date or time. This vulnerability affects Thunderbird < 115.6.

Severity Score

Related Resources (7)

https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1865647
https://www.debian.org/security/2023/dsa-5582
https://nvd.nist.gov/vuln/detail/CVE-2023-50761
https://security-tracker.debian.org/tracker/CVE-2023-50761
https://www.mozilla.org/security/advisories/mfsa2023-55/
https://www.mend.io/vulnerability-database/CVE-2023-50761

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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