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OpenAdvisories
Critical USN-5869-1 1 CVE

haproxy vulnerability

Published Feb 14, 2023 · Updated Feb 10, 2026

Summary

Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg,
and Harvey Tuch discovered that HAProxy incorrectly handled empty header
names. A remote attacker could possibly use this issue to manipulate
headers and bypass certain authentication checks and restrictions.

Fixed packages 3

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS haproxy 1.8.8-1ubuntu0.13
Ubuntu · 20.04 LTS 20.04:LTS haproxy 2.0.29-0ubuntu1.3
Ubuntu · 22.04 LTS 22.04:LTS haproxy 2.4.18-0ubuntu1.2

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2023-25725