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SUSE haproxy Security Patch Update SUSE-SU-2026-21802-4

suse
Calendar Grey March 5, 2026
Dist Suse Esm H88
Critical SUSE security advisory for haproxy fixing two DoS vulnerabilities. Ensure to apply the update promptly.
An update that solves two vulnerabilities can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory moderate SuSE DoS haproxy 2026:20616-1

References

* bsc#1257521

* bsc#1257976

Cross-

* 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.

##

* https://www.suse.com/security/cve/CVE-2026-26080.html

* https://www.suse.com/security/cve/CVE-2026-26081.html

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

Topics%20covered

Topics Covered

security advisory moderate SuSE DoS haproxy 2026:20616-1

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