SUSE-SU-2026:3299-1: important: Security update for gstreamer-plugins-bad

SLE-UPDATES null at suse.de
Tue Jul 28 08:34:03 UTC 2026 

# Security update for gstreamer-plugins-bad

Announcement ID: SUSE-SU-2026:3299-1  
Release Date: 2026-07-27T16:58:34Z  
Rating: important  
References:

  * bsc#1268168
  * bsc#1268406
  * bsc#1268408
  * bsc#1268410
  * bsc#1268971
  * bsc#1271168

  
Cross-References:

  * CVE-2026-12892
  * CVE-2026-52720
  * CVE-2026-52721
  * CVE-2026-52722
  * CVE-2026-53702
  * CVE-2026-59692

  
CVSS scores:

  * CVE-2026-12892 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-12892 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-12892 ( NVD ):  4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
  * CVE-2026-52720 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-52720 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-52720 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-52721 ( SUSE ):  3.6 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
  * CVE-2026-52721 ( NVD ):  5.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-52722 ( SUSE ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-52722 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-52722 ( NVD ):  7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
  * CVE-2026-53702 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-53702 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2026-59692 ( SUSE ):  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
  * CVE-2026-59692 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-59692 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves six vulnerabilities can now be installed.

## Description:

This update for gstreamer-plugins-bad fixes the following issues:

  * CVE-2026-12892: 1-byte heap out-of-bounds read in H.264 NAL extension slice
    parser (bsc#1268971).
  * CVE-2026-52720: invalid check of total area instead of individual dimensions
    could trigger a heap out-of-bounds write (bsc#1268406).
  * CVE-2026-52721: crafted PCAP records during IPv4 or TCP header parsing could
    cause an out-of-bounds read (bsc#1268408).
  * CVE-2026-52722: crafted VMnc stream with large cursor dimensions can
    overflow signed integer payload-size arithmetic (bsc#1268410).
  * CVE-2026-53702: incorrect loop bound during H.265 SEI message parsing could
    result in a stack buffer overflow (bsc#1268168).
  * CVE-2026-59692: unvalidated peer certificate Subject DN printed during a
    DTLS handshake could cause a stack buffer overflow (bsc#1271168).

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-3299=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3299=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libgstgl-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstcodecparsers-1_0-0-1.8.3-18.21.1
    * libgstgl-1_0-0-1.8.3-18.21.1
    * libgstbadaudio-1_0-0-1.8.3-18.21.1
    * gstreamer-plugins-bad-1.8.3-18.21.1
    * libgstbasecamerabinsrc-1_0-0-1.8.3-18.21.1
    * libgstbadvideo-1_0-0-1.8.3-18.21.1
    * libgstphotography-1_0-0-1.8.3-18.21.1
    * libgstbadbase-1_0-0-1.8.3-18.21.1
    * libgstbadaudio-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstadaptivedemux-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstphotography-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstbadvideo-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstbadbase-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstmpegts-1_0-0-debuginfo-1.8.3-18.21.1
    * gstreamer-plugins-bad-debuginfo-1.8.3-18.21.1
    * gstreamer-plugins-bad-debugsource-1.8.3-18.21.1
    * libgstmpegts-1_0-0-1.8.3-18.21.1
    * libgstcodecparsers-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstbasecamerabinsrc-1_0-0-debuginfo-1.8.3-18.21.1
    * gstreamer-plugins-bad-devel-1.8.3-18.21.1
    * libgsturidownloader-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstadaptivedemux-1_0-0-1.8.3-18.21.1
    * libgsturidownloader-1_0-0-1.8.3-18.21.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * gstreamer-plugins-bad-lang-1.8.3-18.21.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libgstgl-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstcodecparsers-1_0-0-1.8.3-18.21.1
    * libgstgl-1_0-0-1.8.3-18.21.1
    * libgstbadaudio-1_0-0-1.8.3-18.21.1
    * gstreamer-plugins-bad-1.8.3-18.21.1
    * libgstbasecamerabinsrc-1_0-0-1.8.3-18.21.1
    * libgstbadvideo-1_0-0-1.8.3-18.21.1
    * libgstphotography-1_0-0-1.8.3-18.21.1
    * libgstbadbase-1_0-0-1.8.3-18.21.1
    * libgstbadaudio-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstadaptivedemux-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstphotography-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstbadvideo-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstbadbase-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstmpegts-1_0-0-debuginfo-1.8.3-18.21.1
    * gstreamer-plugins-bad-debuginfo-1.8.3-18.21.1
    * gstreamer-plugins-bad-debugsource-1.8.3-18.21.1
    * libgstmpegts-1_0-0-1.8.3-18.21.1
    * libgstcodecparsers-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstbasecamerabinsrc-1_0-0-debuginfo-1.8.3-18.21.1
    * gstreamer-plugins-bad-devel-1.8.3-18.21.1
    * libgsturidownloader-1_0-0-debuginfo-1.8.3-18.21.1
    * libgstadaptivedemux-1_0-0-1.8.3-18.21.1
    * libgsturidownloader-1_0-0-1.8.3-18.21.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * gstreamer-plugins-bad-lang-1.8.3-18.21.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-12892.html
  * https://www.suse.com/security/cve/CVE-2026-52720.html
  * https://www.suse.com/security/cve/CVE-2026-52721.html
  * https://www.suse.com/security/cve/CVE-2026-52722.html
  * https://www.suse.com/security/cve/CVE-2026-53702.html
  * https://www.suse.com/security/cve/CVE-2026-59692.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1268168
  * https://bugzilla.suse.com/show_bug.cgi?id=1268406
  * https://bugzilla.suse.com/show_bug.cgi?id=1268408
  * https://bugzilla.suse.com/show_bug.cgi?id=1268410
  * https://bugzilla.suse.com/show_bug.cgi?id=1268971
  * https://bugzilla.suse.com/show_bug.cgi?id=1271168

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