Unrated severityNVD Advisory· Published Apr 27, 2025· Updated Nov 3, 2025
PDF signature forgery with adbe.pkcs7.sha1 SubFilter
CVE-2025-2866
Description
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.
Affected products
2- Range: >=24.8, <24.8.6; >=25.2, <25.2.2
- Range: 24.8
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
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