SUSE-SU-2026:21368-1: moderate: Security update for giflib

[SLE-SECURITY-UPDATES]

# Security update for giflib

Announcement ID: SUSE-SU-2026:21368-1  
Release Date: 2026-04-22T08:10:14Z  
Rating: moderate  
References:

  * bsc#1259502

  
Cross-References:

  * CVE-2026-23868

  
CVSS scores:

  * CVE-2026-23868 ( SUSE ):  5.8
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-23868 ( SUSE ):  5.8 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2026-23868 ( NVD ):  5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

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

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for giflib fixes the following issue:

  * CVE-2026-23868: double-free result of a shallow copy can lead to memory
    corruption (bsc#1259502).

## 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 for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-612=1

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-612=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * libgif7-5.2.2-160000.3.1
    * giflib-debugsource-5.2.2-160000.3.1
    * giflib-progs-5.2.2-160000.3.1
    * libgif7-debuginfo-5.2.2-160000.3.1
    * giflib-devel-5.2.2-160000.3.1
    * giflib-progs-debuginfo-5.2.2-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * libgif7-5.2.2-160000.3.1
    * giflib-debugsource-5.2.2-160000.3.1
    * giflib-progs-5.2.2-160000.3.1
    * libgif7-debuginfo-5.2.2-160000.3.1
    * giflib-devel-5.2.2-160000.3.1
    * giflib-progs-debuginfo-5.2.2-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-23868.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259502

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