CVE-2025-2866 LOW

CVE-2025-2866: PDF signature forgery with adbe.pkcs7.sha1 SubFilter

Vendor The Document Foundation
Product LibreOffice
Weakness CWE-347
Published April 27, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

2.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 27, 2025 CVE published
November 3, 2025 Record updated