Memory leak in libpng - CVE-2025-28162

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Main Vulnerability Database Vulnerabilities #VU122295

Memory leak in libpng - CVE-2025-28162

Published: February 4, 2026


Vulnerability identifier: #VU122295
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-28162
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in png_malloc_base() function. A remote attacker can supply a specially crafted image file to the application and force the library to leak memory.


Affected software

libpng
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Basesystem Module
openSUSE Leap
openEuler
Ubuntu
libpng16-16-32bit-debuginfo
libpng16-16-32bit
libpng16-compat-devel
libpng16-devel
libpng16-16
libpng16-debugsource
libpng16-16-debuginfo
libpng-debuginfo
libpng-help
libpng-devel
libpng-debugsource
libpng
libpng-static
libpng-tools
libpng16-tools-debuginfo
libpng16-tools
libpng16-16-64bit
libpng16-devel-32bit
libpng16-compat-devel-32bit
libpng16-16-64bit-debuginfo
libpng16-compat-devel-64bit
libpng16-devel-64bit
libpng1.6 (Ubuntu package)

How to mitigate CVE-2025-28162

Install updates from vendor's website.

libpng - update to 1.6.47
libpng16-16-32bit-debuginfo - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng16-16-32bit - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng16-compat-devel - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng16-devel - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng16-16 - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng16-debugsource - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng16-16-debuginfo - addressed in versions 1.6.34-150000.3.19.1, 1.6.40-150600.3.9.1
libpng-debuginfo - addressed in versions 1.6.37-5, 1.6.38-6, 1.6.40-6
libpng-help - addressed in versions 1.6.37-5, 1.6.38-6, 1.6.40-6
libpng-devel - addressed in versions 1.6.37-5, 1.6.38-6, 1.6.40-6
libpng-debugsource - addressed in versions 1.6.37-5, 1.6.38-6, 1.6.40-6
libpng - addressed in versions 1.6.37-5, 1.6.38-6, 1.6.40-6
libpng-static - addressed in versions 1.6.38-6, 1.6.40-6
libpng-tools - addressed in versions 1.6.38-6, 1.6.40-6
libpng16-tools-debuginfo - update to 1.6.40-150600.3.9.1
libpng16-tools - update to 1.6.40-150600.3.9.1
libpng16-16-64bit - update to 1.6.40-150600.3.9.1
libpng16-devel-32bit - update to 1.6.40-150600.3.9.1
libpng16-compat-devel-32bit - update to 1.6.40-150600.3.9.1
libpng16-16-64bit-debuginfo - update to 1.6.40-150600.3.9.1
libpng16-compat-devel-64bit - update to 1.6.40-150600.3.9.1
libpng16-devel-64bit - update to 1.6.40-150600.3.9.1
libpng1.6 (Ubuntu package) - update to 1.6.43-5ubuntu0.4

External References

Related Security Bulletins