SUSE-SU-2026:20616-1: moderate: Security update for haproxy

[SLE-SECURITY-UPDATES]

# Security update for haproxy

Announcement ID: SUSE-SU-2026:20616-1  
Release Date: 2026-02-27T13:16:38Z  
Rating: moderate  
References:

  * bsc#1257521
  * bsc#1257976

  
Cross-References:

  * CVE-2026-26080
  * CVE-2026-26081

  
CVSS scores:

  * CVE-2026-26080 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-26080 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-26081 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-26081 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server High Availability Extension 16.0

  
  
An update that solves two vulnerabilities can now be installed.

## Description:

This update for haproxy fixes the following issues:

  * Update to version 3.2.12+git0.6011f448e
  * CVE-2026-26081: Fixed a DOS vulnerability in QUIC. (bsc#1257976)
  * CVE-2026-26080: Fixed a DOS vulnerability in QUIC. (bsc#1257976)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server High Availability Extension 16.0  
    zypper in -t patch SUSE-SLES-HA-16.0-328=1

## Package List:

  * SUSE Linux Enterprise Server High Availability Extension 16.0 (ppc64le s390x
    x86_64)
    * haproxy-debugsource-3.2.12+git0.6011f448e-160000.1.1
    * haproxy-3.2.12+git0.6011f448e-160000.1.1
    * haproxy-debuginfo-3.2.12+git0.6011f448e-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-26080.html
  * https://www.suse.com/security/cve/CVE-2026-26081.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1257521
  * https://bugzilla.suse.com/show_bug.cgi?id=1257976

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