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.

INFO

Published Date :

2025-04-27T19:04:52.226Z

Last Modified :

2025-11-03T19:46:42.576Z

Source :

Document Fdn.
AFFECTED PRODUCTS

The following products are affected by CVE-2025-2866 vulnerability.

Vendors Products
Libreoffice
  • Libreoffice
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-2866.

URL Resource
https://lists.debian.org/debian-lts-announce/2025/06/msg00002.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-2866 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-2866 cve-icon
https://www.libreoffice.org/about-us/security/advisories/cve-2025-2866 cve-icon cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact