Debian Security Advisory
DLA-2564-1 php-horde-text-filter -- LTS security update
- Date Reported:
- 18 Feb 2021
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 982769.
In Mitre's CVE dictionary: CVE-2021-26929.
- More information:
Alex Birnberg discovered a cross-site scripting (XSS) vulnerability in the Horde Application Framework, more precisely its Text Filter API. An attacker could take control of a user's mailbox by sending a crafted e-mail.
For Debian 9 stretch, this problem has been fixed in version 2.3.5-1+deb9u1.
We recommend that you upgrade your php-horde-text-filter packages.
For the detailed security status of php-horde-text-filter please refer to its security tracker page at: https://security-tracker.debian.org/tracker/php-horde-text-filter
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