Skip to content
OpenAdvisories
Unscored USN-4174-1 1 CVE

haproxy vulnerability

Published Nov 5, 2019 · Updated Feb 10, 2026

Summary

It was discovered that HAproxy incorrectly handled certain HTTP requests.
An attacker could possibly use this issue to a privilege escalation
(Request Smuggling).

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 16.04 LTS 16.04:LTS haproxy 1.6.3-1ubuntu0.3
Ubuntu · 18.04 LTS 18.04:LTS haproxy 1.8.8-1ubuntu0.7

Vulnerabilities 1

  • Unscored —
    CVE-2019-18277 EPSS 10%

    A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the "ch…

References

  • report
    https://ubuntu.com/security/CVE-2019-18277