Debian dsa-6130 : haproxy - security update

high Nessus Plugin ID 298846

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6130 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6130-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 12, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : haproxy CVE ID : CVE-2026-26081

Asim Viladi Oglu Manizada reported that HAProxy, a load balancing reverse proxy, does not properly validate an INITIAL QUIC packet with specially crafted data, which may result in denial of service (process crash).

For the stable distribution (trixie), this problem has been fixed in version 3.0.11-1+deb13u2.

We recommend that you upgrade your haproxy packages.

For the detailed security status of haproxy please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/haproxy

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the haproxy packages.

See Also

https://security-tracker.debian.org/tracker/source-package/haproxy

https://packages.debian.org/source/trixie/haproxy

https://security-tracker.debian.org/tracker/CVE-2026-26081

Plugin Details

Severity: High

ID: 298846

File Name: debian_DSA-6130.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/12/2026

Updated: 2/12/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-26081

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:haproxy, p-cpe:/a:debian:debian_linux:haproxy-doc, p-cpe:/a:debian:debian_linux:vim-haproxy, cpe:/o:debian:debian_linux:13.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 2/12/2026

Vulnerability Publication Date: 2/12/2026

Reference Information

CVE: CVE-2026-26081