SUSE-SU-2025:4383-1: moderate: Security update for libpng12

[SLE-SECURITY-UPDATES]

# Security update for libpng12

Announcement ID: SUSE-SU-2025:4383-1  
Release Date: 2025-12-12T13:13:47Z  
Rating: moderate  
References:

  * bsc#1254157

  
Cross-References:

  * CVE-2025-64505

  
CVSS scores:

  * CVE-2025-64505 ( SUSE ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-64505 ( SUSE ):  6.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2025-64505 ( NVD ):  6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

  
Affected Products:

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

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libpng12 fixes the following issues:

  * CVE-2025-64505: Fixed heap buffer over-read in `png_do_quantize` via
    malformed palette index (bsc#1254157)

## 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 Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-4383=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libpng12-0-1.2.50-20.6.1
    * libpng12-0-debuginfo-32bit-1.2.50-20.6.1
    * libpng12-devel-1.2.50-20.6.1
    * libpng12-0-debuginfo-1.2.50-20.6.1
    * libpng12-0-32bit-1.2.50-20.6.1
    * libpng12-debugsource-1.2.50-20.6.1
    * libpng12-compat-devel-1.2.50-20.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-64505.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254157

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