A vulnerability, which was classified as problematic, has been found in LibreOffice up to 24.8.5/25.2.1. Affected by this issue is some unknown functionality of the component adbe.pkcs7.sha1 Signature Handler. The manipulation leads to improper verification of cryptographic signature.

This vulnerability is handled as CVE-2025-2866. The attack may be launched remotely. There is no exploit available.

It is recommended to upgrade the affected component.