Out-of-bounds read in libpng - CVE-2025-64720

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Main Vulnerability Database Vulnerabilities #VU118778

Out-of-bounds read in libpng - CVE-2025-64720

Published: November 26, 2025


Vulnerability identifier: #VU118778
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-64720
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the png_image_read_composite() function when processing palette images with PNG_FLAG_OPTIMIZE_ALPHA enabled. A remote attacker can pass a specially crafted image file to the application, trigger an out-of-bounds read error and read contents of memory on the system.


Affected software

libpng
SUSE Linux Enterprise Server 15 SP5
SUSE Manager Server 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Proxy 4.3
Debian Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
Gentoo Linux
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Anolis OS
SUSE Enterprise Storage
OpenBSD
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Google Android
Basesystem Module
openSUSE Leap
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP Applications
Ubuntu
openEuler
Engineering Lifecycle Management
GitLab Enterprise Edition
Gitlab Community Edition
Netezza Appliance
IBM Observability with Instana
Red Hat build of Keycloak
Juniper Secure Analytics (JSA)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
libpng
libpng-devel
libpng-static
libpng (Red Hat package)
libpng15-15-debuginfo
libpng15-debugsource
libpng15-15
libpng16-compat-devel
libpng16-16
libpng16-16-debuginfo-32bit
libpng16-16-32bit
libpng16-devel
libpng16-16-debuginfo
libpng16-debugsource
libpng1.6 (Ubuntu package)
mingw32-libpng
mingw64-libpng
mingw-libpng (Red Hat package)
libpng16-16-32bit-debuginfo
libpng1.6 (Debian package)
libpng-help
libpng-tools
libpng-doc
libpng-debugsource
libpng-debuginfo
libpng16-16-64bit
libpng16-devel-64bit
libpng16-tools-debuginfo
libpng16-compat-devel-32bit
libpng16-tools
libpng16-devel-32bit
libpng16-16-64bit-debuginfo
libpng16-compat-devel-64bit
libpng16-devel-x86-64-v3
libpng16-16-x86-64-v3-debuginfo
libpng16-compat-devel-x86-64-v3
libpng16-16-x86-64-v3
media-libs/libpng
java-1.8.0-openjdk-src
java-1.8.0-openjdk-accessibility
java-1.8.0-openjdk
java-1.8.0-openjdk-javadoc-zip
java-1.8.0-openjdk-javadoc
java-1.8.0-openjdk-headless
java-1.8.0-openjdk-demo
java-1.8.0-openjdk-devel
java-17-openjdk (Red Hat package)
java-17-openjdk-jmods
java-17-openjdk-static-libs
java-17-openjdk-src
java-17-openjdk-javadoc-zip
java-17-openjdk-javadoc
java-17-openjdk-headless
java-17-openjdk-devel
java-17-openjdk-demo
java-17-openjdk
java-21-openjdk-src
java-21-openjdk
java-21-openjdk-demo
java-21-openjdk-devel
java-21-openjdk-headless
java-21-openjdk-javadoc
java-21-openjdk-javadoc-zip
java-21-openjdk-static-libs
java-21-openjdk-jmods
OpenShift Virtualization
IBM Qradar SIEM
Juniper Junos Space

How to mitigate CVE-2025-64720

Install updates from vendor's website.

libpng - update to 1.6.51
Engineering Lifecycle Management - update to 1.3.0
Netezza Appliance - update to 1.0.1.0 fp278500
IBM Observability with Instana - update to 1.0.313
Juniper Secure Analytics (JSA) - update to 7.5.0 UP15 IF01
Google Android - addressed in versions 14 2026-06-01, 15 2026-06-01, 16-qpr2 2026-06-01, 16 2026-06-01
GitLab Enterprise Edition - addressed in versions 18.5.5, 18.6.3, 18.7.1
Gitlab Community Edition - addressed in versions 18.5.5, 18.6.3, 18.7.1
libpng - addressed in versions 1.5.13-8, 1.6.34-9, 1.6.40-2
libpng-devel - addressed in versions 1.5.13-8, 1.6.34-9, 1.6.40-2
libpng-static - addressed in versions 1.5.13-8, 1.6.40-2
libpng (Red Hat package) - addressed in versions 1.5.13-8.el7_9.1, 1.6.34-8.el8_2.1, 1.6.34-8.el8_4.1, 1.6.34-8.el8_6.1, 1.6.34-8.el8_8.1, 1.6.34-9.el8_10, 1.6.37-12.el9_0.1, 1.6.37-12.el9_2.1, 1.6.37-12.el9_7.1, 1.6.40-8.el10_0.1, 1.6.40-8.el10_1.1
libpng15-15-debuginfo - update to 1.5.30-10.13.1
libpng15-debugsource - update to 1.5.30-10.13.1
libpng15-15 - update to 1.5.30-10.13.1
libpng16-compat-devel - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng16-16 - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng16-16-debuginfo-32bit - update to 1.6.8-15.9.1
libpng16-16-32bit - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1
libpng16-devel - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng16-16-debuginfo - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng16-debugsource - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng1.6 (Ubuntu package) - addressed in versions 1.6.20-2ubuntu0.1~esm2, 1.6.34-1ubuntu0.18.04.2+esm1, 1.6.37-2ubuntu0.1~esm1, 1.6.37-3ubuntu0.1, 1.6.43-5ubuntu0.1, 1.6.47-1.1ubuntu0.1, 1.6.50-1ubuntu0.1
mingw32-libpng - update to 1.6.34-1
mingw64-libpng - update to 1.6.34-1
mingw-libpng (Red Hat package) - update to 1.6.34-1.el8_10
libpng16-16-32bit-debuginfo - addressed in versions 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1
libpng1.6 (Debian package) - addressed in versions 1.6.39-2+deb12u1, 1.6.48-1+deb13u1
libpng - update to 1.6.40-2
libpng-static - update to 1.6.40-2
libpng-help - update to 1.6.40-2
libpng-tools - update to 1.6.40-2
libpng-tools - update to 1.6.40-2
libpng-doc - update to 1.6.40-2
libpng-devel - update to 1.6.40-2
libpng-debugsource - update to 1.6.40-2
libpng-debuginfo - update to 1.6.40-2
libpng16-16-64bit - update to 1.6.40-150600.3.3.1
libpng16-devel-64bit - update to 1.6.40-150600.3.3.1
libpng16-tools-debuginfo - addressed in versions 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng16-compat-devel-32bit - update to 1.6.40-150600.3.3.1
libpng16-tools - addressed in versions 1.6.40-150600.3.3.1, 1.6.44-160000.3.1
libpng16-devel-32bit - update to 1.6.40-150600.3.3.1
libpng16-16-64bit-debuginfo - update to 1.6.40-150600.3.3.1
libpng16-compat-devel-64bit - update to 1.6.40-150600.3.3.1
libpng16-devel-x86-64-v3 - update to 1.6.44-160000.3.1
libpng16-16-x86-64-v3-debuginfo - update to 1.6.44-160000.3.1
libpng16-compat-devel-x86-64-v3 - update to 1.6.44-160000.3.1
libpng16-16-x86-64-v3 - update to 1.6.44-160000.3.1
media-libs/libpng - update to 1.6.51
java-1.8.0-openjdk-src - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk-accessibility - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk-javadoc-zip - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk-javadoc - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk-headless - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk-demo - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
java-1.8.0-openjdk-devel - addressed in versions 1.8.0.472.b08-3, 1.8.0.482.b08-1.0.1
OpenShift Virtualization - update to 4.19.17
IBM Qradar SIEM - update to 7.5.0 Update Pack 14 IF04
java-17-openjdk (Red Hat package) - addressed in versions 17.0.18.0.8-1.el8, 17.0.18.0.8-1.el9
java-17-openjdk-jmods - update to 17.0.18.0.8-1.0.2
java-17-openjdk-static-libs - update to 17.0.18.0.8-1.0.2
java-17-openjdk-src - update to 17.0.18.0.8-1.0.2
java-17-openjdk-javadoc-zip - update to 17.0.18.0.8-1.0.2
java-17-openjdk-javadoc - update to 17.0.18.0.8-1.0.2
java-17-openjdk-headless - update to 17.0.18.0.8-1.0.2
java-17-openjdk-devel - update to 17.0.18.0.8-1.0.2
java-17-openjdk-demo - update to 17.0.18.0.8-1.0.2
java-17-openjdk - update to 17.0.18.0.8-1.0.2
java-21-openjdk-src - update to 21.0.10.0.7-1.0.2
java-21-openjdk - update to 21.0.10.0.7-1.0.2
java-21-openjdk-demo - update to 21.0.10.0.7-1.0.2
java-21-openjdk-devel - update to 21.0.10.0.7-1.0.2
java-21-openjdk-headless - update to 21.0.10.0.7-1.0.2
java-21-openjdk-javadoc - update to 21.0.10.0.7-1.0.2
java-21-openjdk-javadoc-zip - update to 21.0.10.0.7-1.0.2
java-21-openjdk-static-libs - update to 21.0.10.0.7-1.0.2
java-21-openjdk-jmods - update to 21.0.10.0.7-1.0.2
Juniper Junos Space - update to 26.1R1 Patch V1
Red Hat build of Keycloak - update to 26.2.13

External References

Related Security Bulletins