CVE-2021-25635
Medium
Description
An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a valid signature issued by a trusted person This issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.
SeverityMedium
CVSS5.5
Exploit probability—
ProductLibreoffice
PublishedMar 21, 2025
First seenMar 21, 2025
Weakness typeCWE-295CWE-295
How to fix
Update
- libreoffice libreoffice7.0.5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libreoffice libreoffice | 7.0.0 ≤ v < 7.0.5.1, 7.1.0.0 ≤ v ≤ 7.1.1.1 | 7.0.5.1 |
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