SUSE-SU-2026:23309-1: moderate: Security update for libarchive

[SLE-SECURITY-UPDATES]

# Security update for libarchive

Announcement ID: SUSE-SU-2026:23309-1  
Release Date: 2026-08-24T18:49:00Z  
Rating: moderate  
References:

  * bsc#1254340
  * bsc#1254341
  * bsc#1254342
  * bsc#1260998
  * bsc#1260999
  * bsc#1261000
  * bsc#1261002
  * bsc#1261003

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that has eight fixes can now be installed.

## Description:

This update for libarchive fixes the following issues:

  * Fix creation of temporary files in target directory (bsc#1254340)
  * Fix out-of-bounds buffer overrun when using p[H_LEVEL_OFFSET] (bsc#1254341)
  * Fix buffer overrun in archive_le32dec when reading truncated 7zip headers
    (bsc#1254342)
  * Fix NULL pointer dereference in archive_acl_from_text_w() (bsc#1260998)
  * Fix SEGV in check_7zip_header_in_sfx via ELF offset validation (bsc#1260999)
  * Fix out-of-bounds access on ELF 64-bit header (bsc#1261000)
  * Fix RAR5 memory leak with many filters (bsc#1261002)
  * Fix file descriptor leak in mtree parser cleanup (bsc#1261003)

## 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 Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1490=1

  * SUSE Linux Enterprise Server for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-1490=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libarchive-devel-3.8.1-160000.4.1
    * libarchive13-3.8.1-160000.4.1
    * bsdtar-3.8.1-160000.4.1
    * libarchive-debugsource-3.8.1-160000.4.1
    * libarchive13-debuginfo-3.8.1-160000.4.1
    * bsdtar-debuginfo-3.8.1-160000.4.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libarchive-devel-3.8.1-160000.4.1
    * libarchive13-3.8.1-160000.4.1
    * bsdtar-3.8.1-160000.4.1
    * libarchive-debugsource-3.8.1-160000.4.1
    * libarchive13-debuginfo-3.8.1-160000.4.1
    * bsdtar-debuginfo-3.8.1-160000.4.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1254340
  * https://bugzilla.suse.com/show_bug.cgi?id=1254341
  * https://bugzilla.suse.com/show_bug.cgi?id=1254342
  * https://bugzilla.suse.com/show_bug.cgi?id=1260998
  * https://bugzilla.suse.com/show_bug.cgi?id=1260999
  * https://bugzilla.suse.com/show_bug.cgi?id=1261000
  * https://bugzilla.suse.com/show_bug.cgi?id=1261002
  * https://bugzilla.suse.com/show_bug.cgi?id=1261003

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