openSUSE 16 Security Update : nginx (openSUSE-SU-2026:21439-1)

critical Nessus Plugin ID 330075

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21439-1 advisory.

This update for nginx fixes the following issues

- CVE-2026-40460: bypass of authorization and bypass of rate limiting when NGINX is configured to use the HTTP/3 QUIC module (bsc#1265228).
- CVE-2026-42055: heap-based buffer overflow in the ngx_http_proxy_v2_module and ngx_http_grpc_module modules (bsc#1268492).
- CVE-2026-48142: heap buffer over-read in the ngx_http_charset_module module (bsc#1268495).
- HTTP2-BOMB denial of service (bsc#1267525).

Tenable has extracted the preceding description block directly from the SUSE 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

Update the affected nginx and / or nginx-source packages.

Plugin Details

Severity: Critical

ID: 330075

File Name: openSUSE-2026-21439-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/27/2026

Updated: 7/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.14

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-42055

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 7.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

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

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: 7/24/2026

Vulnerability Publication Date: 5/13/2026

Reference Information

CVE: CVE-2026-40460, CVE-2026-42055, CVE-2026-48142

IAVA: 2026-A-0601-S

Detections

Analytics