Debian Security Advisory

DLA-3045-1 php-horde-mime-viewer -- LTS security update

Date Reported:
06 Jun 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-26874.
More information:

It was discovered that there was a potential XSS vulnerability in php-horde-mime-viewer, a MIME viewer library for the Horde groupware platform.

  • CVE-2022-26874

    lib/Horde/Mime/Viewer/Ooo.php in Horde Mime_Viewer before 2.2.4 allows XSS via an OpenOffice document, leading to account takeover in Horde Groupware Webmail Edition. This occurs after XSLT rendering.

For Debian 9 Stretch, these problems have been fixed in version 2.2.1-1+deb9u1.

We recommend that you upgrade your php-horde-mime-viewer packages.

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