A security update for the sslh package has been released for Debian GNU/Linux 11 (Bullseye) LTS, addressing a significant vulnerability identified as CVE-2025-52936. This vulnerability is categorized as a "link following" issue, which could potentially compromise the security of systems using sslh, a tool that allows for the multiplexing of SSH and HTTPS traffic over the same port.

The updated version of sslh is 1.20-1+deb11u1, and users are strongly encouraged to upgrade their sslh packages to mitigate any security risks associated with this vulnerability.

For more information on the security status of sslh, users can visit the Debian security tracker page. Additionally, guidance on applying security updates to Debian LTS systems and answers to frequently asked questions can be found on the Debian LTS wiki.

In light of the ongoing security challenges, it is advisable for users of Debian 11 to remain vigilant and regularly check for updates not only for sslh but for all packages within their systems. Regular maintenance and prompt application of security patches are crucial in safeguarding systems against potential exploits

Sslh security update for Debian 11 LTS

A sslh security update has been released for Debian GNU/Linux 11 (Bullseye) LTS:

[DLA 4238-1] sslh security update

Sslh security update for Debian 11 LTS @ Linux Compatible