SUSE-SU-2026:4055-1: low: Security update for bzip2

SLE-SECURITY-UPDATES null at suse.de
Mon Sep 7 20:31:33 UTC 2026 

# Security update for bzip2

Announcement ID: SUSE-SU-2026:4055-1  
Release Date: 2026-09-07T15:48:38Z  
Rating: low  
References:

  * bsc#1266786

  
Cross-References:

  * CVE-2026-42250

  
CVSS scores:

  * CVE-2026-42250 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-42250 ( SUSE ):  3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  * CVE-2026-42250 ( NVD ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

  
Affected Products:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.4
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for bzip2 fixes the following issue:

  * CVE-2026-42250: off-by-one error in the bzip2recover utility when processing
    a specially crafted file can lead to a crash (bsc#1266786).

## 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:

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-4055=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-4055=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-4055=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-4055=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-4055=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-4055=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-4055=1

## Package List:

  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * libbz2-devel-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * openSUSE Leap 15.4 (noarch)
    * bzip2-doc-1.0.8-150400.3.4.1
  * openSUSE Leap 15.4 (x86_64)
    * libbz2-devel-32bit-1.0.8-150400.3.4.1
    * libbz2-1-32bit-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-32bit-1.0.8-150400.3.4.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libbz2-1-64bit-debuginfo-1.0.8-150400.3.4.1
    * libbz2-devel-64bit-1.0.8-150400.3.4.1
    * libbz2-1-64bit-1.0.8-150400.3.4.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * bzip2-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-debuginfo-1.0.8-150400.3.4.1
    * bzip2-debugsource-1.0.8-150400.3.4.1
    * libbz2-1-1.0.8-150400.3.4.1
    * libbz2-devel-1.0.8-150400.3.4.1
    * bzip2-1.0.8-150400.3.4.1
  * Basesystem Module 15-SP7 (x86_64)
    * libbz2-1-32bit-debuginfo-1.0.8-150400.3.4.1
    * libbz2-1-32bit-1.0.8-150400.3.4.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-42250.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266786

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