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Date: Mon, 11 Oct 2021 03:04:14 +0000
From: Dave Fisher <>
Subject: CVE-2021-41830: Apache OpenOffice: Double Certificate Attack 

Severity: high


It is possible for an attacker to manipulate signed documents and macros to appear to come from a trusted source.

All versions of Apache OpenOffice up to 4.1.10 are affected. Users are advised to update to version 4.1.11.

See CVE-2021-25633 for the LibreOffice advisory.


Apache OpenOffice would like to thank Simon Rohlmann, Vladislav Mladenov, Christian Mainka, and Jorg Schwenk of Ruhr University Bochum, Germany

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