CVE-2025-64720

26

FAUCET Score

CVE-2025-64720 is an out-of-bounds read vulnerability in LIBPNG versions 1.6.0 through 1.6.50, specifically within the png_image_read_composite function when processing palette images with PNG_FLAG_OPTIMIZE_ALPHA enabled. This flaw arises from incorrect background compositing during premultiplication, violating a key invariant. It carries a CVSS score of 7.1 (HIGH), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to a loss of confidentiality and high availability impact. There is no evidence of active exploitation, nor are there public exploit modules available in Metasploit or ExploitDB, though it has garnered some community discussion and media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 1.6.0, < 1.6.51CPE matchmatch criteria	cpe:2.3:a:libpng:libpng::::::::

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

4.2

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.41%

Probability of exploitation in next 30 days

EPSS Percentile

33.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0041 is in the 37th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (102)

github_advisorypatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.23132

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2Fixed in: 6.3.9600.23132

microsoftpatch availablevia msrc

Product: Windows Server 2012 (Server Core installation)Fixed in: 6.2.9200.26026

microsoftpatch availablevia msrc

Product: Windows Server 2012Fixed in: 6.2.9200.26026

microsoftpatch availablevia msrc

Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.9060

microsoftpatch availablevia msrc

Product: 20674-17084Fixed in: 1.6.51-1

microsoftpatch availablevia msrc

Product: 18435-17086Fixed in: 1.6.51-1

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.8644

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.8644

microsoftpatch availablevia msrc

Product: Windows Server 2019Fixed in: 10.0.17763.8644

microsoftpatch availablevia msrc

Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.8644

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.5020

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.5020

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.7184

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.7184

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.7184

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.7184

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 10.0.19045.7184

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.7184

microsoftpatch availablevia msrc

Product: Windows Server 2025 (Server Core installation)Fixed in: 10.0.26100.32690

microsoftpatch availablevia msrc

Product: Windows Server 2025Fixed in: 10.0.26100.32690

microsoftpatch availablevia msrc

Product: Windows 11 Version 25H2 for ARM64-based SystemsFixed in: 10.0.26200.8246

microsoftpatch availablevia msrc

Product: Windows 11 Version 25H2 for x64-based SystemsFixed in: 10.0.26200.8246

microsoftpatch availablevia msrc

Product: Windows 11 Version 23H2 for ARM64-based SystemsFixed in: 10.0.22631.6936

microsoftpatch availablevia msrc

Product: Windows 11 Version 23H2 for x64-based SystemsFixed in: 10.0.22631.6936

microsoftpatch availablevia msrc

Product: Windows Server 2022, 23H2 Edition (Server Core installation)Fixed in: 10.0.25398.2274

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 10.0.26100.8246

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for x64-based SystemsFixed in: 10.0.26100.8246

microsoftpatch availablevia msrc

Product: Windows 11 version 26H1 for x64-based SystemsFixed in: 10.0.28000.1836

microsoftpatch availablevia msrc

Product: Windows 11 Version 26H1 for ARM64-based SystemsFixed in: 10.0.28000.1836

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.9060

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.9060

microsoftpatch availablevia msrc

Product: Windows Server 2016Fixed in: 10.0.14393.9060

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: libpng-2:1.6.34-8.el8_6.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: libpng-2:1.6.34-8.el8_8.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: libpng-2:1.6.34-8.el8_8.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: java-17-openjdk-1:17.0.18.0.8-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: java-21-openjdk-1:21.0.10.0.7-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: java-25-openjdk-1:25.0.2.0.10-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: libpng-2:1.6.37-12.el9_7.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: libpng-2:1.6.37-12.el9_0.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: java-17-openjdk-1:17.0.18.0.8-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: libpng-2:1.6.37-12.el9_2.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: java-17-openjdk-1:17.0.18.0.8-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: libpng-2:1.6.37-12.el9_4.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: java-17-openjdk-1:17.0.18.0.8-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: java-21-openjdk-1:21.0.10.0.7-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.6 Extended Update SupportFixed in: libpng-2:1.6.37-12.el9_6.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.6 Extended Update SupportFixed in: java-17-openjdk-1:17.0.18.0.8-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.6 Extended Update SupportFixed in: java-21-openjdk-1:21.0.10.0.7-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.6 Extended Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat OpenJDK 11 els for RHEL 7Fixed in: java-11-openjdk-1:11.0.30.0.7-1.el7_9

redhatpatch availablevia redhat_api

Product: Red Hat OpenJDK 11 els for RHEL 8Fixed in: java-11-openjdk-1:11.0.30.0.7-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat OpenJDK 11 els for RHEL 9Fixed in: java-11-openjdk-1:11.0.30.0.7-1.el9

redhatpatch availablevia redhat_api

Product: Red Hat Discovery 2Fixed in: discovery/discovery-ui-rhel9:sha256:8af6fd7c8fe38d6bfd22e42810badde0aeeae738ea28667ae29dbc0cf4266f3e

redhatpatch availablevia redhat_api

Product: OPENJDK ELS 11.0.30Fixed in: java-11-openjdk-portable

redhatpatch availablevia redhat_api

Product: OPENJDK ELS 11.0.30

redhatpatch availablevia redhat_api

Product: Red Hat Build of OpenJDK 17.0.18Fixed in: java-17-openjdk-portable

redhatpatch availablevia redhat_api

Product: Red Hat Build of OpenJDK 21.0.10Fixed in: java-21-openjdk-portable

redhatpatch availablevia redhat_api

Product: Red Hat Build of OpenJDK 25.0.2Fixed in: java-25-openjdk-portable

redhatpatch availablevia redhat_api

Product: Red Hat Build of OpenJDK 8u482Fixed in: java-1.8.0-openjdk-portable

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 10Fixed in: libpng-2:1.6.40-8.el10_1.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 10Fixed in: java-21-openjdk-1:21.0.10.0.7-1.el10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 10Fixed in: java-25-openjdk-1:25.0.2.0.10-1.el10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 10.0 Extended Update SupportFixed in: libpng-2:1.6.40-8.el10_0.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 10.0 Extended Update SupportFixed in: java-21-openjdk-1:21.0.10.0.7-1.el10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: libpng-2:1.5.13-8.el7_9.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: java-21-openjdk-1:21.0.10.0.7-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mingw-libpng-0:1.6.34-1.el8_10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: libpng-2:1.6.34-9.el8_10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: libpng-2:1.6.34-8.el8_2.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: libpng-2:1.6.34-8.el8_4.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: libpng-2:1.6.34-8.el8_4.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: libpng-2:1.6.34-8.el8_6.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: libpng-2:1.6.34-8.el8_6.1

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: java-17-openjdk-1:17.0.18.0.8-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: java-1.8.0-openjdk-1:1.8.0.482.b08-1.el8

redhatno patchvia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: java-11-openjdk

redhatno patchvia redhat_api

Product: Red Hat build of OpenJDK 21Fixed in: java-21-openjdk-portable-rhel7

redhatno patchvia redhat_api

Product: Red Hat build of OpenJDK 17Fixed in: java-21-openjdk-portable

redhatno patchvia redhat_api

Product: Red Hat build of OpenJDK 11 ELSFixed in: java-21-openjdk-portable

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: libpng

Vendor Advisories (2)

redhatCVE-2025-64720Important

libpng: LIBPNG buffer overflow

microsoft2025-Nov/CVE-2025-64720Important

LIBPNG is vulnerable to a buffer overflow in `png_image_read_composite` via incorrect palette premultiplication

References

github.com / pnggroup/libpng/commit/08da33b4c88cfcd36e5a706558a8d7e0e4773643

Patch

github.com / pnggroup/libpng/issues/686

ExploitIssue Tracking

github.com / pnggroup/libpng/pull/751

Issue TrackingPatch

github.com / pnggroup/libpng/security/advisories/GHSA-hfc7-ph9c-wcww

ExploitVendor Advisory