SUSE-SU-2026:1323-1: important: Security update for libpng16

SLE-UPDATES null at suse.de
Tue Apr 14 20:30:21 UTC 2026 


# Security update for libpng16

Announcement ID: SUSE-SU-2026:1323-1  
Release Date: 2026-04-14T13:12:33Z  
Rating: important  
References:

  * bsc#1260754

  
Cross-References:

  * CVE-2026-33416

  
CVSS scores:

  * CVE-2026-33416 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-33416 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-33416 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libpng16 fixes the following issues:

  * CVE-2026-33416: use-after-free via pointer aliasing in `png_set_tRNS` and
    `png_set_PLTE` can lead to arbitrary code execution (bsc#1260754).

## 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 Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1323=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1323=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1323=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1323=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1323=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1323=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1323=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1323=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1323=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1323=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1323=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1323=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1323=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1323=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1323=1

## Package List:

  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libpng16-compat-devel-1.6.34-150000.3.22.1
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
    * libpng16-devel-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libpng16-16-32bit-1.6.34-150000.3.22.1
    * libpng16-16-32bit-debuginfo-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * libpng16-16-debuginfo-1.6.34-150000.3.22.1
    * libpng16-16-1.6.34-150000.3.22.1
    * libpng16-debugsource-1.6.34-150000.3.22.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-33416.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260754

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-updates/attachments/20260414/e1a801d4/attachment.htm>

More information about the sle-updates mailing list