Vulnerability Monitor

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CVE-2025-2866

Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation. In the affected versions of LibreOffice a flaw in the verification code for adbe.pkcs7.sha1 signatures could cause invalid signatures to be accepted as valid This issue affects LibreOffice: from 24.8 before < 24.8.6, from 25.2 before < 25.2.2.

Published

2025-04-27T19:15:15.137

Last Modified

2025-07-03T21:26:26.980

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-347
  • Type: Primary
    CWE-347
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libreoffice libreoffice < 24.8.6.0 Yes
Application libreoffice libreoffice < 25.2.2 Yes
Application libreoffice libreoffice 24.8.0.0 Yes
Application libreoffice libreoffice 24.8.0.0 Yes
Application libreoffice libreoffice 25.2.0.0 Yes
Application libreoffice libreoffice 25.2.0.0 Yes
References