Detections
Analytics

SUSE SLES15 Security Update : nginx (SUSE-SU-2026:2307-1)

critical Nessus Plugin ID 321031

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:2307-1 advisory.

 This update for nginx fixes the following issue

 - CVE-2026-9256: heap buffer overflow in the `ngx_http_rewrite_module` when using a configuration with overlapping captures (bsc#1266215).

Tenable has extracted the preceding description block directly from the SUSE 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

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

See Also

https://bugzilla.suse.com/1266215

https://lists.suse.com/pipermail/sle-updates/2026-June/047195.html

https://www.suse.com/security/cve/CVE-2026-9256

Plugin Details

Severity: Critical

ID: 321031

File Name: suse_SU-2026-2307-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/14/2026

Updated: 6/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

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

CVSS Score Source: CVE-2026-9256

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 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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:nginx-source, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:nginx

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/9/2026

Vulnerability Publication Date: 5/22/2026

Reference Information

CVE: CVE-2026-9256

IAVA: 2026-A-0515

SuSE: SUSE-SU-2026:2307-1