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openSUSE 15.6 haproxy Moderate Request Smuggling CVE-2026-33555

opensuse
Calendar Grey April 23, 2026
Dist Opensuse Esm H88
Update for haproxy addresses moderate issue with request smuggling vulnerability in openSUSE Leap 15.6.
An update that solves one vulnerability can now be installed.

Description

This update for haproxy fixes the following issue:

* CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization

(bsc#1262103).

Topics%20covered

Topics Covered

security advisory moderate request smuggling OpenSUSE haproxy

Patch

## 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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-1568=1

* SUSE Linux Enterprise High Availability Extension 15 SP6

zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2026-1568=1

* SUSE Linux Enterprise High Availability Extension 15 SP7

zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2026-1568=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* haproxy-2.8.11+git0.01c1056a4-150600.3.12.1

* haproxy-debugsource-2.8.11+git0.01c1056a4-150600.3.12.1

* haproxy-debuginfo-2.8.11+git0.01c1056a4-150600.3.12.1

* SUSE Linux Enterprise High Availability Extension 15 SP6 (aarch64 ppc64le

s390x x86_64)

* haproxy-2.8.11+git0.01c1056a4-150600.3.12.1

* haproxy-debugsource-2.8.11+git0.01c1056a4-150600.3.12.1

* haproxy-debuginfo-2.8.11+git0.01c1056a4-150600.3.12.1

* SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le

s390x x86_64)

* haproxy-2.8.11+git0.01c1056a4-150600.3.12.1

* haproxy-debugsource-2.8.11+git0.01c1056a4-150600.3.12.1

* haproxy-debuginfo-2.8.11+git0.01c1056a4-150600.3.12.1

References

* bsc#1262103

## References:

* https://www.suse.com/security/cve/CVE-2026-33555.html

* https://bugzilla.suse.com/show_bug.cgi?id=1262103

Announcement ID: SUSE-SU-2026:1568-1
Release Date: 2026-04-23T12:11:11Z
Affected Products: * openSUSE Leap 15.6 * SUSE Linux Enterprise High Availability Extension 15 SP6 * SUSE Linux Enterprise High Availability Extension 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory moderate request smuggling OpenSUSE haproxy

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