A security update has been released for the SOGo groupware server to fix several cross-site scripting (XSS) vulnerabilities. The issues, identified as CVE-2024-34462 and CVE-2025-63499, allow attackers to inject malicious code through attachment preview and the theme parameter. For Debian 11 users, version 5.0.1-4+deb11u3 of the SOGo package fixes these problems.

[DLA 4434-1] sogo security update

[SECURITY] [DLA 4434-1] sogo security update

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Debian LTS Advisory DLA-4434-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Tobias Frost
January 06, 2026 https://wiki.debian.org/LTS
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Package : sogo
Version : 5.0.1-4+deb11u3
CVE ID : CVE-2024-34462 CVE-2025-63499
Debian Bug : 1071163 1121952

Several XSS vulnerabiltiies have been found in SOGo, a groupware server.

CVE-2024-34462

XSS during attachment preview.

CVE-2025-63499

Cross Site Scripting (XSS) via the theme parameter.

For Debian 11 bullseye, these problems have been fixed in version
5.0.1-4+deb11u3.

We recommend that you upgrade your sogo packages.

For the detailed security status of sogo please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/sogo

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS