Debian dsa-6017 : haproxy - security update

high Nessus Plugin ID 266463

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Synopsis

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

Description

The remote Debian 12 / 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6017 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6017-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 03, 2025 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : haproxy CVE ID : CVE-2025-11230

Oula Kivalo reported that HAProxy, a fast and reliable load balancing reverse proxy, is prone to a denial of service vulnerability when parsing JSON numbers.

For the oldstable distribution (bookworm), this problem has been fixed in version 2.6.12-1+deb12u3.

For the stable distribution (trixie), this problem has been fixed in version 3.0.11-1+deb13u1.

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.

Plugin Details

Severity: High

ID: 266463

File Name: debian_DSA-6017.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 10/3/2025

Updated: 10/10/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

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-2025-11230

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:vim-haproxy, p-cpe:/a:debian:debian_linux:haproxy-doc, cpe:/o:debian:debian_linux:12.0, 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: 10/3/2025

Vulnerability Publication Date: 10/3/2025

Reference Information

CVE: CVE-2025-11230

IAVB: 2025-B-0166

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