Skip to content
OpenAdvisories
Critical USN-8360-1 1 CVE

sslh vulnerability

Published Jun 1, 2026 · Updated Jun 1, 2026

Ecosystem: Ubuntu

Summary

It was discovered that sslh did not properly handle symbolic
links when writing its PID file. A local attacker could
possibly use this issue to overwrite arbitrary files.

Fixed packages 7

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS sslh 1.20-1+deb11u1build0.22.04.1
Ubuntu · 25.10 sslh 2.1.4-1ubuntu0.25.10.1
Ubuntu · 26.04 LTS 26.04:LTS sslh 2.1.4-1ubuntu0.26.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS sslh 1.17-2ubuntu0.1~esm1
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS sslh 1.18-1ubuntu0.1~esm1
Ubuntu · Pro 20.04 LTS Pro:20.04:LTS sslh 1.20-1+deb11u1build0.20.04.1
Ubuntu · Pro 24.04 LTS Pro:24.04:LTS sslh 1.22c-1ubuntu0.1~esm1

Vulnerabilities 1

  • Critical 9.3
    CVE-2025-52936

    Improper Link Resolution Before File Access vulnerability in yrutschle/sslh

    Improper Link Resolution Before File Access ('Link Following') vulnerability in yrutschle sslh.This issue affects sslh: before 2.2.2.

    yrutschle sslh sslh sslh Debian Ubuntu

References

  • report
    https://ubuntu.com/security/CVE-2025-52936