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SUSE-SU-2026:1568-1 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceSUSE-SU-2026:1568-1

SUSE-SU-2026:1568-1

MEDIUM4.0

Security update for haproxy

Published Apr 23, 2026

Modified 1 months ago

Fix available

Details

Description of the patch:

This update for haproxy fixes the following issue:

CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization (bsc#1262103).

Affected Packages

haproxy

SUSE Linux Enterprise High Availability Extension 15 SP6SUSE Linux Enterprise High Availability Extension 15 SP7

Fixed in:

2.8.11+git0.01c1056a4-150600.3.12.1

References

https://bugzilla.suse.com/1262103

https://lists.suse.com/pipermail/sle-updates/2026-April/045921.html

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

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20261568-1/

CVSS Analysis

CVSS v3.1

4.0

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

ChangedS:C

Impact

Confidentiality

NoneC:N

Integrity

LowI:L

Availability

NoneA:N

4.0/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Upstream

Ecosystems

SUSE Linux Enterprise High Availability Extension 15 SP6 SUSE Linux Enterprise High Availability Extension 15 SP7

Timeline

PublishedApr 23, 2026

ModifiedApr 23, 2026