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CVE-2021-25635

Published: 19 October 2021

A flaw was found in LibreOffice, where it improperly validated signatures for algorithms that were not verified. This flaw leads to LibreOffice presenting a valid signature when the validity of the signature was not verified. The highest threat from this vulnerability is to confidentiality and integrity.

Notes

AuthorNote
mdeslaur
This CVE is specific to the Microsoft Crypto API backend

Priority

Medium

Status

Package Release Status
libreoffice
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(1:7.2.1-0ubuntu3)
xenial Ignored
(end of standard support)
bionic Not vulnerable
(windows-only)
focal Not vulnerable
(windows-only)
hirsute Not vulnerable
(1:7.1.6-0ubuntu0.21.04.1)
impish Not vulnerable
(1:7.2.1-0ubuntu3)
trusty Ignored
(end of standard support)
upstream Not vulnerable
(debian: Only affects Microsoft Crypto API back-end)
Patches:
upstream: https://github.com/LibreOffice/core/commit/edeb164c1d8ab64116afee4e2140403a362a1358 (7-0)
upstream: https://github.com/LibreOffice/core/commit/a5fe0bea138c5b32268a5cd0093908909d8bc013 (7-1)