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OpenAdvisories
Critical USN-6242-2 1 CVE

openssh vulnerability

Published Jul 31, 2023 · Updated Jun 29, 2026

Summary

USN-6242-1 fixed a vulnerability in OpenSSH. This update provides
the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS,
and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that OpenSSH incorrectly handled loading certain PKCS#11
providers. If a user forwarded their ssh-agent to an untrusted system, a
remote attacker could possibly use this issue to load arbitrary libraries
from the user's system and execute arbitrary code.

Fixed packages 3

ReleasePackageFixed in
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS openssh 1:6.6p1-2ubuntu2.13+esm1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS openssh 1:7.2p2-4ubuntu2.10+esm3
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS openssh 1:7.6p1-4ubuntu0.7+esm1

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2023-38408