2.4
Low
CVE-2025-2866 Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| LibreOffice 25.2 | 25.2 → latest | No fix stated |
| LibreOffice 24.8 | 24.8 → latest | No fix stated |
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