Debian dsa-6326 : libnginx-mod-http-geoip - security update

critical Nessus Plugin ID 319632

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6326 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6326-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso June 07, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : nginx CVE ID : CVE-2026-9256 CVE-2026-42946 Debian Bug : 1138794

Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in remote code execution, denial of service or memory disclosure.

For the oldstable distribution (bookworm), these problems have been fixed in version 1.22.1-9+deb12u8.

For the stable distribution (trixie), these problems have been fixed in version 1.26.3-3+deb13u6.

We recommend that you upgrade your nginx packages.

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

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 these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libnginx-mod-http-geoip packages.

Plugin Details

Severity: Critical

ID: 319632

File Name: debian_DSA-6326.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 6/8/2026

Updated: 6/8/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.8

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

CVSS Score Source: CVE-2026-42946

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS Score Source: CVE-2026-9256

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-9256

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:nginx-common, p-cpe:/a:debian:debian_linux:nginx-full, p-cpe:/a:debian:debian_linux:libnginx-mod-http-image-filter, p-cpe:/a:debian:debian_linux:nginx-doc, p-cpe:/a:debian:debian_linux:nginx-core, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:libnginx-mod-stream, p-cpe:/a:debian:debian_linux:libnginx-mod-mail, p-cpe:/a:debian:debian_linux:nginx, p-cpe:/a:debian:debian_linux:libnginx-mod-stream-geoip, p-cpe:/a:debian:debian_linux:libnginx-mod-http-xslt-filter, p-cpe:/a:debian:debian_linux:nginx-extras, p-cpe:/a:debian:debian_linux:nginx-dev, p-cpe:/a:debian:debian_linux:nginx-light, p-cpe:/a:debian:debian_linux:libnginx-mod-http-geoip, p-cpe:/a:debian:debian_linux:libnginx-mod-http-perl, cpe:/o:debian:debian_linux:12.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/7/2026

Vulnerability Publication Date: 5/13/2026

Reference Information

CVE: CVE-2026-42946, CVE-2026-9256

IAVA: 2026-A-0515

Detections

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