SUSE-SU-2026:23782-1: important: Security update for rpm

SLE-SECURITY-UPDATES null at suse.de
Mon Sep 21 08:44:10 UTC 2026 

# Security update for rpm

Announcement ID: SUSE-SU-2026:23782-1  
Release Date: 2026-09-16T14:28:14Z  
Rating: important  
References:

  * bsc#1218459
  * bsc#1253139
  * bsc#1259215
  * bsc#1268747
  * bsc#1269150
  * bsc#1269571
  * bsc#1269584
  * bsc#1271923
  * bsc#1271924
  * bsc#1271925

  
Cross-References:

  * CVE-2026-15811
  * CVE-2026-15812
  * CVE-2026-15813
  * CVE-2026-44604
  * CVE-2026-44605

  
CVSS scores:

  * CVE-2026-15811 ( SUSE ):  5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
  * CVE-2026-15811 ( NVD ):  5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
  * CVE-2026-15812 ( SUSE ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2026-15812 ( NVD ):  4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2026-15813 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-15813 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-44604 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44604 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-44604 ( NVD ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-44605 ( SUSE ):  8.4
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-44605 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-44605 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server High Availability Extension 16.0
  * SUSE Linux Micro 6.2
  * SUSE Linux Micro Extras 6.2

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

## Security update for rpm

### Description:

This update for rpm fixes the following issues:

Changes in rpm:

  * split imaevmsign plugin into a multibuild flavor

Changes in rpm:

  * Add Requires: (rpm-plugin-selinux if selinux-policy)
  * harden ndb code [bsc#1269584] [CVE-2026-44605]
  * split all plugins into subpackages
  * this allows for an easy way to get rid of a plugin, it's also what other
    distributions do
  * make the imaevmsign plugin build in a multibuild flavor
  * rpm2archive: use size 0 for hardlinked files as bnew versions of gnu tar
    reject non-zero sizes [bsc#1269150]
  * backport fix for add_sysuser macro [bsc#1269571]
  * backport rpmuncompress security fix [bsc#1268747] [CVE-2026-44604]
  * switch from rpmpgp_legacy to libpgpr
  * multiple bug fixes, support for v5 and v6 signatures
  * turn on imaevm file signature support and move the imaevm code that needs
    the libimaevm library into a plugin. Put this plugin into a new "rpm-
    imaevmsign" subpackage. [jsc#PED-7246]
  * Fix "unexpected EOF" when using rpmbuild to install ELF binaries due to
    syntax error in /usr/lib/rpm/brp-strip. (boo#1259215)
  * Remove /var/lib/rpm migration scripting, retain an error if old location is
    found
  * Use systemd-tmpfiles to create & maintain /var/lib/rpm symlink (boo#1253139)
  * flush scriptlet notification messages in --runposttrans
  * needed to fix leaking tmp files [bsc#1218459]
  * added "rpm_flushes_runposttrans" provides for libzypp

## Security update for kronosnet

### Description:

This update for kronosnet fixes the following issues:

  * CVE-2026-15811: improper sanitization of sensitive memory locations
    following cryptographic configuration adjustments can lead to potential
    exposure of encryption keys (bsc#1271923).
  * CVE-2026-15812: improper verification of packet origins allows for access
    control list (ACL) bypass via ID spoofing (bsc#1271924).
  * CVE-2026-15813: improper validation during fragment reassembly can trigger
    memory corruption or out-of-bounds memory access (bsc#1271925).

## 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 Extras 6.2  
    zypper in -t patch SUSE-SLE-Micro-Extras-6.2-1688

  * SUSE Linux Enterprise Server High Availability Extension 16.0  
    zypper in -t patch SUSE-SLES-HA-16.0-1682

## Package List:

  * SUSE Linux Micro Extras 6.2 (aarch64 ppc64le s390x x86_64)
    * rpm-debugsource-4.20.1-160000.3.1
    * rpm-build-4.20.1-160000.3.1
    * rpm-debuginfo-4.20.1-160000.3.1
    * rpm-build-debuginfo-4.20.1-160000.3.1
  * SUSE Linux Enterprise Server High Availability Extension 16.0 (ppc64le s390x
    x86_64)
    * libknet1-crypto-nss-plugin-1.30-160000.4.1
    * libknet-devel-1.30-160000.4.1
    * libknet1-compress-zlib-plugin-debuginfo-1.30-160000.4.1
    * libknet1-1.30-160000.4.1
    * libknet1-compress-lzma-plugin-debuginfo-1.30-160000.4.1
    * libknet1-compress-plugins-all-1.30-160000.4.1
    * libknet1-crypto-openssl-plugin-debuginfo-1.30-160000.4.1
    * libnozzle1-debuginfo-1.30-160000.4.1
    * libknet1-compress-lzma-plugin-1.30-160000.4.1
    * kronosnet-debuginfo-1.30-160000.4.1
    * libnozzle1-1.30-160000.4.1
    * libknet1-compress-zstd-plugin-1.30-160000.4.1
    * libknet1-crypto-openssl-plugin-1.30-160000.4.1
    * libknet1-compress-lzo2-plugin-1.30-160000.4.1
    * libknet1-compress-lz4-plugin-1.30-160000.4.1
    * libknet1-compress-zlib-plugin-1.30-160000.4.1
    * libknet1-compress-zstd-plugin-debuginfo-1.30-160000.4.1
    * kronosnet-debugsource-1.30-160000.4.1
    * libknet1-debuginfo-1.30-160000.4.1
    * libknet1-compress-lzo2-plugin-debuginfo-1.30-160000.4.1
    * libnozzle-devel-1.30-160000.4.1
    * libknet1-compress-lz4-plugin-debuginfo-1.30-160000.4.1
    * libknet1-plugins-all-1.30-160000.4.1
    * libknet1-compress-bzip2-plugin-1.30-160000.4.1
    * libknet1-crypto-plugins-all-1.30-160000.4.1
    * libknet1-compress-bzip2-plugin-debuginfo-1.30-160000.4.1
    * libknet1-crypto-nss-plugin-debuginfo-1.30-160000.4.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-15811.html
  * https://www.suse.com/security/cve/CVE-2026-15812.html
  * https://www.suse.com/security/cve/CVE-2026-15813.html
  * https://www.suse.com/security/cve/CVE-2026-44604.html
  * https://www.suse.com/security/cve/CVE-2026-44605.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218459
  * https://bugzilla.suse.com/show_bug.cgi?id=1253139
  * https://bugzilla.suse.com/show_bug.cgi?id=1259215
  * https://bugzilla.suse.com/show_bug.cgi?id=1268747
  * https://bugzilla.suse.com/show_bug.cgi?id=1269150
  * https://bugzilla.suse.com/show_bug.cgi?id=1269571
  * https://bugzilla.suse.com/show_bug.cgi?id=1269584
  * https://bugzilla.suse.com/show_bug.cgi?id=1271923
  * https://bugzilla.suse.com/show_bug.cgi?id=1271924
  * https://bugzilla.suse.com/show_bug.cgi?id=1271925

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