Security update for xz SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2025:20553-1 Final 1 1 2025-08-08T10:14:29Z current 2025-08-08T10:14:29Z 2025-08-08T10:14:29Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for xz 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) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-SLE-Micro-6.0-412 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2025/suse-su-202520553-1/ Link for SUSE-SU-2025:20553-1 https://lists.suse.com/pipermail/sle-updates/2025-August/041300.html E-Mail link for SUSE-SU-2025:20553-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1240414 SUSE Bug 1240414 https://www.suse.com/security/cve/CVE-2025-31115/ SUSE CVE CVE-2025-31115 page SUSE Linux Micro 6.0 liblzma5-5.4.3-5.1 xz-5.4.3-5.1 liblzma5-5.4.3-5.1 as a component of SUSE Linux Micro 6.0 xz-5.4.3-5.1 as a component of SUSE Linux Micro 6.0 XZ Utils provide a general-purpose data-compression library plus command-line tools. In XZ Utils 5.3.3alpha to 5.8.0, the multithreaded .xz decoder in liblzma has a bug where invalid input can at least result in a crash. The effects include heap use after free and writing to an address based on the null pointer plus an offset. Applications and libraries that use the lzma_stream_decoder_mt function are affected. The bug has been fixed in XZ Utils 5.8.1, and the fix has been committed to the v5.4, v5.6, v5.8, and master branches in the xz Git repository. No new release packages will be made from the old stable branches, but a standalone patch is available that applies to all affected releases. CVE-2025-31115 SUSE Linux Micro 6.0:liblzma5-5.4.3-5.1 SUSE Linux Micro 6.0:xz-5.4.3-5.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2025/suse-su-202520553-1/ https://www.suse.com/security/cve/CVE-2025-31115.html CVE-2025-31115 https://bugzilla.suse.com/1240414 SUSE Bug 1240414