SUSE SLES12: libpcre2-16-0 / libpcre2-32-0 / libpcre2-8-0 / libpcre2-posix2 / etc (SUSE-SU-2026:4201-1)

high Nessus Plugin ID 346792

Synopsis

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

Description

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4201-1 advisory.

- CVE-2026-86145: missing size checks in `pcre2_dfa_match` code can lead to an out-of-bounds write (bsc#1279893).
- CVE-2026-89156: out-of-bounds read via invalid UTF data during JIT fallback (bsc#1280054).
- CVE-2026-89157: out-of-bounds write via large pattern input (bsc#1280053).
- CVE-2026-89158: out-of-bounds write due to integer overflow in `pcre2_compile_32` for 32-bit platforms (bsc#1280052).
- CVE-2026-89160: out-of-bounds read during the `PCRE2_MATCH_INVALID_UTF` matching of an invalid UTF subject (bsc#1280051).
- CVE-2026-89161: incorrect free operation due to mishandling of a previously copied subject in `pcre2_jit_match` (bsc#1280050).

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 packages.

See Also

https://bugzilla.suse.com/1277707

https://bugzilla.suse.com/1277708

https://bugzilla.suse.com/1277709

https://bugzilla.suse.com/1277710

https://bugzilla.suse.com/1277711

https://bugzilla.suse.com/1277713

https://bugzilla.suse.com/1279893

https://bugzilla.suse.com/1280050

https://bugzilla.suse.com/1280051

https://bugzilla.suse.com/1280052

https://bugzilla.suse.com/1280053

https://bugzilla.suse.com/1280054

https://www.suse.com/security/cve/CVE-2026-86145

https://www.suse.com/security/cve/CVE-2026-89156

https://www.suse.com/security/cve/CVE-2026-89157

https://www.suse.com/security/cve/CVE-2026-89158

https://www.suse.com/security/cve/CVE-2026-89160

https://www.suse.com/security/cve/CVE-2026-89161

http://www.nessus.org/u?1b7e26c2

Plugin Details

Severity: High

ID: 346792

File Name: suse_SU-2026-4201-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/17/2026

Updated: 9/17/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 95.91

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-89157

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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-2026-89161

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libpcre2-16-0, p-cpe:/a:novell:suse_linux:libpcre2-32-0, p-cpe:/a:novell:suse_linux:libpcre2-8-0, p-cpe:/a:novell:suse_linux:libpcre2-posix2, p-cpe:/a:novell:suse_linux:pcre2-devel-static, p-cpe:/a:novell:suse_linux:pcre2-devel

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: 9/16/2026

Vulnerability Publication Date: 9/5/2026

Reference Information

CVE: CVE-2026-86145, CVE-2026-89156, CVE-2026-89157, CVE-2026-89158, CVE-2026-89160, CVE-2026-89161

SuSE: SUSE-SU-2026:4201-1