Debian dsa-6278 : libnginx-mod-http-geoip - security update

critical Nessus Plugin ID 315084

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-6278 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6278-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 16, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : nginx CVE ID : CVE-2026-40701 CVE-2026-42934 CVE-2026-42945 CVE-2026-42946 CVE-2026-40460

Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in bypass of authorisation rules or rate limits, denial of service or memory disclosure.

For the oldstable distribution (bookworm), these problems have been fixed in version 1.22.1-9+deb12u7.

For the stable distribution (trixie), these problems have been fixed in version 1.26.3-3+deb13u5.

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: 315084

File Name: debian_DSA-6278.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 5/16/2026

Updated: 5/16/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-40460

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-2026-42945

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:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-42945

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libnginx-mod-http-xslt-filter, p-cpe:/a:debian:debian_linux:libnginx-mod-mail, p-cpe:/a:debian:debian_linux:nginx-extras, p-cpe:/a:debian:debian_linux:nginx-common, 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-image-filter, p-cpe:/a:debian:debian_linux:libnginx-mod-http-geoip, p-cpe:/a:debian:debian_linux:nginx-doc, p-cpe:/a:debian:debian_linux:libnginx-mod-http-perl, p-cpe:/a:debian:debian_linux:nginx, p-cpe:/a:debian:debian_linux:libnginx-mod-stream, p-cpe:/a:debian:debian_linux:nginx-core, p-cpe:/a:debian:debian_linux:nginx-full, p-cpe:/a:debian:debian_linux:libnginx-mod-stream-geoip, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/16/2026

Vulnerability Publication Date: 5/13/2026

Reference Information

CVE: CVE-2026-40460, CVE-2026-40701, CVE-2026-42934, CVE-2026-42945, CVE-2026-42946

Detections

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