CVE-2025-2866 — Improper Verification of Cryptographic Signature in Document Foundation Libreoffice
Severity
2.4LOWNVD
EPSS
0.1%
top 74.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 27
Latest updateMay 8
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.
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
Affected Packages3 packages
🔴Vulnerability Details
3OSV▶
CVE-2025-2866: Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation↗2025-04-27
GHSA▶
GHSA-22mj-r7hq-f9h2: Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation↗2025-04-27