Out-of-bounds read in libpng - CVE-2025-64505

Vulnerability identifier: #VU118780

CSH Severity: Medium

CVSS v4 BT: 2.7 [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/E:U/U:Green]

CVE-ID: CVE-2025-64505

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary condition within the png_do_quantize function when processing PNG files with malformed palette indices. 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.

libpng
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SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
Debian Linux
SUSE Manager Retail Branch Server 4.3
SUSE Manager Server 4.3
Gentoo Linux
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 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
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SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
OpenBSD
macOS
Ubuntu
Google Android
Basesystem Module
openSUSE Leap
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Server
Apple iOS
iPadOS
openEuler
Anolis OS
tvOS
visionOS
watchOS
libpng (Ubuntu package)
libpng12-compat-devel
libpng12-debugsource
libpng12-0-32bit
libpng12-0-debuginfo
libpng12-devel
libpng12-0-debuginfo-32bit
libpng12-0
libpng12-compat-devel-32bit
libpng12-devel-32bit
libpng12-0-32bit-debuginfo
libpng15-15
libpng15-15-debuginfo
libpng15-debugsource
libpng16-16-debuginfo
libpng16-devel
libpng16-16-32bit
libpng16-16-debuginfo-32bit
libpng16-16
libpng16-compat-devel
libpng16-debugsource
libpng1.6 (Ubuntu package)
libpng16-16-32bit-debuginfo
libpng1.6 (Debian package)
libpng
libpng-doc
libpng-tools
libpng-static
libpng-devel
libpng-help
libpng-debugsource
libpng-debuginfo
libpng16-devel-64bit
libpng16-16-64bit
libpng16-compat-devel-64bit
libpng16-devel-32bit
libpng16-compat-devel-32bit
libpng16-tools
libpng16-16-64bit-debuginfo
libpng16-tools-debuginfo
libpng16-16-x86-64-v3-debuginfo
libpng16-devel-x86-64-v3
libpng16-compat-devel-x86-64-v3
libpng16-16-x86-64-v3
media-libs/libpng

Install updates from vendor's website.

libpng - update to 1.6.51
macOS - addressed in versions 14.8.5 23J423, 15.7.5 24G624, 26.4 25E246
Google Android - addressed in versions 14 2026-06-01, 15 2026-06-01, 16-qpr2 2026-06-01, 16 2026-06-01
Apple iOS - addressed in versions 18.7.7 22H333, 26.4 23E246
iPadOS - addressed in versions 18.7.7 22H333, 26.4 23E246
tvOS - update to 26.4 23L243
visionOS - update to 26.4
watchOS - update to 26.4 23T240
libpng (Ubuntu package) - addressed in versions 1.2.50-1ubuntu2.14.04.3+esm1, 1.2.54-1ubuntu1.1+esm2
libpng12-compat-devel - addressed in versions 1.2.50-20.6.1, 1.2.57-150000.4.3.1
libpng12-debugsource - addressed in versions 1.2.50-20.6.1, 1.2.57-150000.4.3.1
libpng12-0-32bit - addressed in versions 1.2.50-20.6.1, 1.2.57-150000.4.3.1
libpng12-0-debuginfo - addressed in versions 1.2.50-20.6.1, 1.2.57-150000.4.3.1
libpng12-devel - addressed in versions 1.2.50-20.6.1, 1.2.57-150000.4.3.1
libpng12-0-debuginfo-32bit - update to 1.2.50-20.6.1
libpng12-0 - addressed in versions 1.2.50-20.6.1, 1.2.57-150000.4.3.1
libpng12-compat-devel-32bit - update to 1.2.57-150000.4.3.1
libpng12-devel-32bit - update to 1.2.57-150000.4.3.1
libpng12-0-32bit-debuginfo - update to 1.2.57-150000.4.3.1
libpng15-15 - update to 1.5.22-10.7.1
libpng15-15-debuginfo - update to 1.5.22-10.7.1
libpng15-debugsource - update to 1.5.22-10.7.1
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-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
libpng16-16-32bit - addressed in versions 1.6.8-15.9.1, 1.6.34-150000.3.12.1, 1.6.40-150600.3.3.1
libpng16-16-debuginfo-32bit - update to 1.6.8-15.9.1
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-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-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
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-doc - update to 1.6.40-2
libpng-tools - update to 1.6.40-2
libpng-static - update to 1.6.40-2
libpng-devel - update to 1.6.40-2
libpng - update to 1.6.40-2
libpng-tools - update to 1.6.40-2
libpng-static - update to 1.6.40-2
libpng-help - 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-devel-64bit - update to 1.6.40-150600.3.3.1
libpng16-16-64bit - update to 1.6.40-150600.3.3.1
libpng16-compat-devel-64bit - update to 1.6.40-150600.3.3.1
libpng16-devel-32bit - update to 1.6.40-150600.3.3.1
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
libpng16-16-64bit-debuginfo - 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
libpng16-16-x86-64-v3-debuginfo - update to 1.6.44-160000.3.1
libpng16-devel-x86-64-v3 - 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

• https://github.com/pnggroup/libpng/security/advisories/GHSA-4952-h5wq-4m42

• Multiple vulnerabilities in libpng
• Gentoo update for libpng
• openEuler update for libpng
• OpenBSD update for libpng
• Anolis OS update for libpng
• Debian update for libpng1.6
• Ubuntu update for libpng1.6
• SUSE update for libpng12
• SUSE update for libpng12
• SUSE update for libpng16
• SUSE update for libpng16
• SUSE update for libpng16
• SUSE update for libpng16
• Ubuntu update for libpng
• SUSE update for libpng15
• Multiple vulnerabilities in Apple macOS Tahoe
• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 18 and iPadOS 18
• Multiple vulnerabilities in Apple iOS 26 and iPadOS 26
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple visionOS
• Multiple vulnerabilities in Google Android