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libpng: LIBPNG out-of-bounds read in png_image_read_composite

🗓️ 24 Apr 2026 10:14:35Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

Libpng out-of-bounds read in simplified API; 1012 bytes beyond png_sRGB_base[512] for valid palette image with transparency and gamma.

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GithubExploit		Exploit for Out-of-bounds Read in Libpng
22 Jan 202611:35
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Tenable Nessus		Amazon Linux 2023 : libpng, libpng-devel, libpng-static (ALAS2023-2025-1332)
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Tenable Nessus		Amazon Linux 2 : thunderbird, --advisory ALAS2-2025-3108 (ALAS-2025-3108)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64java-17-openjdk1:17.0.19.0.10-1.el8java-17-openjdk-1:17.0.19.0.10-1.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lejava-17-openjdk1:17.0.19.0.10-1.el8java-17-openjdk-1:17.0.19.0.10-1.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xjava-17-openjdk1:17.0.19.0.10-1.el8java-17-openjdk-1:17.0.19.0.10-1.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64java-17-openjdk1:17.0.19.0.10-1.el8java-17-openjdk-1:17.0.19.0.10-1.el8.x86_64.rpm
Red Hat Enterprise Linux9aarch64java-17-openjdk1:17.0.19.0.10-1.el9java-17-openjdk-1:17.0.19.0.10-1.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lejava-17-openjdk1:17.0.19.0.10-1.el9java-17-openjdk-1:17.0.19.0.10-1.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xjava-17-openjdk1:17.0.19.0.10-1.el9java-17-openjdk-1:17.0.19.0.10-1.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64java-17-openjdk1:17.0.19.0.10-1.el9java-17-openjdk-1:17.0.19.0.10-1.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64java-17-openjdk1:17.0.19.0.10-2.el9java-17-openjdk-1:17.0.19.0.10-2.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lejava-17-openjdk1:17.0.19.0.10-2.el9java-17-openjdk-1:17.0.19.0.10-2.el9.ppc64le.rpm
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04 Jul 2026 16:22Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.1
EPSS0.00299
SSVC
CWE-125
libpngout of boundsvulnerabilitysimplified apivalid palette imagetransparencygamma correction
10