SUSE alert openSUSE-SU-2026:21076-1 (giflib)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:21076-1: important: Security update for giflib
Date:
             
 
Tue, 30 Jun 2026 09:48:14 +0200
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<20260630074814.AE395FF4B@maintenance.suse.de>
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Article
openSUSE security update: security update for giflib
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:21076-1
Rating: important
References:

  * bsc#1259836



Cross-References:

  * CVE-2026-26740



CVSS scores:

  * CVE-2026-26740 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-26740 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves one vulnerability and has one bug fix can now be installed.

Description:

This update for giflib fixes the following issue

- CVE-2026-26740: heap out-of-bounds read when processing a specially crafted GIF file containing a
GCE block with a
  truncated extension byte count (bsc#1259836).


Patch instructions:

   To install this openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-1098=1

Package List:

- openSUSE Leap 16.0:

  giflib-devel-5.2.2-160000.4.1
  giflib-progs-5.2.2-160000.4.1
  libgif7-5.2.2-160000.4.1

References:

  * https://www.suse.com/security/cve/CVE-2026-26740.html