SUSE-SU-2025:20553-1: important: Security update for xz

[SLE-UPDATES]

# Security update for xz

Announcement ID: SUSE-SU-2025:20553-1  
Release Date: 2025-08-08T10:23:21Z  
Rating: important  
References:

  * bsc#1240414

  
Cross-References:

  * CVE-2025-31115

  
CVSS scores:

  * CVE-2025-31115 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-31115 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2025-31115 ( NVD ):  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/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:

  * SUSE Linux Micro 6.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for xz fixes the following issues:

  * CVE-2025-31115: Fixed heap use after free and writing to an address based on
    the null pointer plus an offset (bsc#1240414)

## 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-6.0-412=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * xz-debugsource-5.4.3-5.1
    * liblzma5-5.4.3-5.1
    * xz-5.4.3-5.1
    * xz-debuginfo-5.4.3-5.1
    * liblzma5-debuginfo-5.4.3-5.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-31115.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1240414

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