5.2
Medium
CVE-2021-25635 An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document,…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| LibreOffice 7.1 | 7.1 → < 7.1.1 | 7.1.1 |
| LibreOffice 7.0 | 7.0 → < 7.0.5 | 7.0.5 |
Other CVEs of LibreOffice
The 48 CVEs of LibreOffice →
CVE-2026-76181
Heap buffer overflow in dBASE index import
5.4
Medium
CVE-2026-63270
URLs could be constructed which expanded environment variable or INI file values, so potentially sensitive information…
6.7
Medium
CVE-2026-63269
LibreOffice can link to audio and video files from a document, and on Linux it plays them with GStreamer
6.7
Medium
CVE-2026-63267
LibreOffice Calc can link a cell range to an external csv data source, and the link is saved in the document
6.7
Medium