openSUSE 16 Security Update : haproxy (openSUSE-SU-2026:20618-1)

medium Nessus Plugin ID 310202

Synopsis

The remote openSUSE host is missing a security update.

Description

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20618-1 advisory.

Security issue:

- CVE-2026-33555: Request smuggling via HTTP/3 parser desynchronization (bsc#1262103).
- bug in SLZ compression (bsc#1261626).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected haproxy package.

Plugin Details

Severity: Medium

ID: 310202

File Name: openSUSE-2026-20618-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/25/2026

Updated: 4/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.2

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2026-33555

CVSS v3

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:haproxy, cpe:/o:novell:opensuse:16.0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/23/2026

Vulnerability Publication Date: 4/13/2026

Reference Information

CVE: CVE-2026-33555

IAVB: 2026-B-0103

Detections

Analytics