SUSE-SU-2026:23840-1: important: Security update for pcre2

Tue Sep 22 12:33:52 UTC 2026

# Security update for pcre2

Announcement ID: SUSE-SU-2026:23840-1  
Release Date: 2026-09-15T07:04:05Z  
Rating: important  
References:

  * bsc#1277707
  * bsc#1277708
  * bsc#1277709
  * bsc#1277710
  * bsc#1277711
  * bsc#1277713
  * bsc#1279893
  * bsc#1280050
  * bsc#1280051
  * bsc#1280052
  * bsc#1280053
  * bsc#1280054

Cross-References:

  * CVE-2026-86145
  * CVE-2026-89156
  * CVE-2026-89157
  * CVE-2026-89158
  * CVE-2026-89160
  * CVE-2026-89161

CVSS scores:

  * CVE-2026-86145 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-86145 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-86145 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-89156 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-89156 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-89156 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-89156 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-89157 ( SUSE ):  9.2
    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
  * CVE-2026-89157 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-89157 ( NVD ):  5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-89157 ( NVD ):  7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
  * CVE-2026-89158 ( SUSE ):  9.2
    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
  * CVE-2026-89158 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-89158 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-89158 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
  * CVE-2026-89160 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-89160 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-89160 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-89160 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-89161 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-89161 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-89161 ( NVD ):  7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-89161 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

  * SUSE Linux Micro 6.0

An update that solves six vulnerabilities and has six fixes can now be
installed.

## Description:

This update for pcre2 fixes the following issues:

  * 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).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-901

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libpcre2-8-0-10.42-3.1
    * pcre2-debugsource-10.42-3.1
    * libpcre2-8-0-debuginfo-10.42-3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-86145.html
  * https://www.suse.com/security/cve/CVE-2026-89156.html
  * https://www.suse.com/security/cve/CVE-2026-89157.html
  * https://www.suse.com/security/cve/CVE-2026-89158.html
  * https://www.suse.com/security/cve/CVE-2026-89160.html
  * https://www.suse.com/security/cve/CVE-2026-89161.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1277707
  * https://bugzilla.suse.com/show_bug.cgi?id=1277708
  * https://bugzilla.suse.com/show_bug.cgi?id=1277709
  * https://bugzilla.suse.com/show_bug.cgi?id=1277710
  * https://bugzilla.suse.com/show_bug.cgi?id=1277711
  * https://bugzilla.suse.com/show_bug.cgi?id=1277713
  * https://bugzilla.suse.com/show_bug.cgi?id=1279893
  * https://bugzilla.suse.com/show_bug.cgi?id=1280050
  * https://bugzilla.suse.com/show_bug.cgi?id=1280051
  * https://bugzilla.suse.com/show_bug.cgi?id=1280052
  * https://bugzilla.suse.com/show_bug.cgi?id=1280053
  * https://bugzilla.suse.com/show_bug.cgi?id=1280054

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