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openSUSE 15.6 libpng12 Urgent Security Update Alert SUSE-SU-2026-0710-2

opensuse
Calendar Grey February 24, 2026
Dist Opensuse Esm H88
An important update for openSUSE libpng12 addresses a heap buffer overflow with CVE-2026-25646. Ensure safe usage!
An update that solves one vulnerability can now be installed.

Description

This update for libpng12 fixes the following issues:

* CVE-2026-25646: heap buffer overflow vulnerability in

png_set_dither/png_set_quantize (bsc#1258020).

Topics%20covered

Topics Covered

security advisory buffer overflow patch important OpenSUSE libpng12

Patch

## 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:

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2026-599=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-599=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-599=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-599=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-599=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-599=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-599=1

* SUSE Linux Enterprise Server 15 SP5...

Read the Full Advisory

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* libpng12-compat-devel-1.2.57-150000.4.6.1

* libpng12-devel-1.2.57-150000.4.6.1

* libpng12-0-debuginfo-1.2.57-150000.4.6.1

* libpng12-debugsource-1.2.57-150000.4.6.1

* libpng12-0-1.2.57-150000.4.6.1

* openSUSE Leap 15.6 (x86_64)

* libpng12-0-32bit-1.2.57-150000.4.6.1

* libpng12-0-32bit-debuginfo-1.2.57-150000.4.6.1

* libpng12-devel-32bit-1.2.57-150000.4.6.1

* libpng12-compat-devel-32bit-1.2.57-150000.4.6.1

* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* libpng12-0-debuginfo-1.2.57-150000.4.6.1

* libpng12-devel-1.2.57-150000.4.6.1

* libpng12-debugsource-1.2.57-150000.4.6.1

* libpng12-0-1.2.57-150000.4.6.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* libpng12-0-debuginfo-1.2.57-150000.4.6.1

* libpng12-devel-1.2.57-150000.4.6.1

* libpng12-debugsource-1.2.57-150000.4.6.1

* libpng12-0-1.2.57-150000.4.6.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

*...

Read the Full Advisory

References

* bsc#1258020

## References:

* https://www.suse.com/security/cve/CVE-2026-25646.html

* https://bugzilla.suse.com/show_bug.cgi?id=1258020

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0599-1
Release Date: 2026-02-23T15:59:56Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * 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 Real Time 15 SP7 * 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 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory buffer overflow patch important OpenSUSE libpng12

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