Security update for libpng16

SUSE Security Update: Security update for libpng16
Announcement ID: SUSE-SU-2019:1398-2
Rating: low
References: #1100687 #1121624 #1124211
Cross-References:CVE-2018-13785 CVE-2019-7317
Affected Products:
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1

An update that solves two vulnerabilities and has one errata is now available.

Description:

This update for libpng16 fixes the following issues:
Security issues fixed:

  • CVE-2019-7317: Fixed a use-after-free vulnerability, triggered when png_image_free() was called under png_safe_execute (bsc#1124211).
  • CVE-2018-13785: Fixed a wrong calculation of row_factor in the png_check_chunk_length function in pngrutil.c, which could haved triggered and integer overflow and result in an divide-by-zero while processing a crafted PNG file, leading to a denial of service (bsc#1100687)

Patch Instructions:

To install this SUSE 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:

  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-1398=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-1398=1

Package List:

  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64 ppc64le s390x x86_64):
    • libpng16-debugsource-1.6.34-3.9.1
    • libpng16-tools-1.6.34-3.9.1
    • libpng16-tools-debuginfo-1.6.34-3.9.1
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (x86_64):
    • libpng16-compat-devel-32bit-1.6.34-3.9.1
    • libpng16-devel-32bit-1.6.34-3.9.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):
    • libpng16-16-1.6.34-3.9.1
    • libpng16-16-debuginfo-1.6.34-3.9.1
    • libpng16-compat-devel-1.6.34-3.9.1
    • libpng16-debugsource-1.6.34-3.9.1
    • libpng16-devel-1.6.34-3.9.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64):
    • libpng16-16-32bit-1.6.34-3.9.1
    • libpng16-16-32bit-debuginfo-1.6.34-3.9.1

References: