Detections
Analytics

SUSE SLES15 Security Update : nginx (SUSE-SU-2026:3448-1)

critical Nessus Plugin ID 331834

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3448-1 advisory.

 - CVE-2026-42055: heap buffer overflow in the `ngx_http_proxy_v2_module` and `ngx_http_grpc_module` modules (bsc#1268492).
 - CVE-2026-42533: heap buffer overflow in the `map` directive and regex matching (bsc#1271514).
 - CVE-2026-48142: heap buffer overread in the `ngx_http_charset_module` module (bsc#1268495).
 - Remote denial of service via the HTTP/2 bomb exploit (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.

See Also

https://bugzilla.suse.com/1267525

https://bugzilla.suse.com/1268492

https://bugzilla.suse.com/1268495

https://bugzilla.suse.com/1271514

https://www.suse.com/security/cve/CVE-2026-42055

https://www.suse.com/security/cve/CVE-2026-42533

https://www.suse.com/security/cve/CVE-2026-48142

http://www.nessus.org/u?c6267ea6

Plugin Details

Severity: Critical

ID: 331834

File Name: suse_SU-2026-3448-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/4/2026

Updated: 8/4/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.35

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-2026-42533

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:nginx-source, 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: 8/3/2026

Vulnerability Publication Date: 6/17/2026

Reference Information

CVE: CVE-2026-42055, CVE-2026-42533, CVE-2026-48142

IAVA: 2026-A-0601-S, 2026-A-0754

SuSE: SUSE-SU-2026:3448-1