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libpng

This update includes the following RPMs:

libpng:
  * libpng-1.6.56-1.hum1 (aarch64, x86_64)
  * libpng-devel-1.6.56-1.hum1 (aarch64, x86_64)
  * libpng-static-1.6.56-1.hum1 (aarch64, x86_64)
  * libpng-tools-1.6.56-1.hum1 (aarch64, x86_64)
  * libpng-1.6.56-1.hum1.src (source)

The vulnerability (CVE-2025-65018) is a heap buffer overflow in the libpng library's png_image_finish_read function triggered by processing 16-bit interlaced PNG images with an 8-bit output format. This causes heap writes beyond allocated buffer bounds, potentially allowing an attacker to crash applications or execute arbitrary code. The issue affects Red Hat Hardened Images RPMs including libpng-1.6.56-1.hum1 for aarch64 and x86_64 architectures. Red Hat classifies this as an important vulnerability with a CVSS v3 base score of 7.1 (local attack vector, low complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity and availability impact). No official patch or mitigation is currently available that meets Red Hat's standards for deployment and stability. The vulnerability is tracked under Red Hat Advisory RHSA-2026:6732 and is part of a set of related CVEs addressed in this advisory.

Detailed information about Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update affecting Red Hat Product Security Red Hat. Ge

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update - Live Threat Intelligence - Threat Radar | OffSeq.com

https://access.redhat.com/errata/RHSA-2026:6732

https://images.redhat.com/

https://access.redhat.com/security/cve/CVE-2025-65018

https://access.redhat.com/security/updates/classification/

https://access.redhat.com/security/cve/CVE-2025-64720

https://access.redhat.com/security/cve/CVE-2025-64506

https://access.redhat.com/security/cve/CVE-2025-64505

https://access.redhat.com/security/cve/CVE-2026-22801

https://access.redhat.com/security/cve/CVE-2026-22695

https://access.redhat.com/security/cve/CVE-2025-28164

https://access.redhat.com/security/cve/CVE-2025-28162

https://access.redhat.com/security/cve/CVE-2026-33636

https://access.redhat.com/security/cve/CVE-2026-33416

https://access.redhat.com/security/cve/CVE-2025-66293

https://access.redhat.com/security/cve/CVE-2026-3713

https://access.redhat.com/security/cve/CVE-2026-25646

Canonical URL

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2026-3713 is a heap-based buffer overflow vulnerability in the pnggroup libpng library up to version 1.6.55. It affects the function do_pnm2png in the file contrib/pngminus/pnm2png.c, where manipulation of the width and height arguments can cause the overflow. Exploitation requires local access and no user interaction. Although an exploit has been published, the project has not yet responded with a fix.

This vulnerability exists in the do_pnm2png function of libpng's pnm2png component, where improper handling of width and height arguments leads to a heap-based buffer overflow. The flaw affects all libpng versions from 1.6.0 through 1.6.55. Exploitation is limited to local attackers with low complexity and no user interaction required. The vulnerability has a CVSS 4.8 (medium) score, reflecting limited attack vector and privileges required. No official patch or vendor advisory is currently available.

Detailed information about CVE-2026-3713: Heap-based Buffer Overflow in pnggroup libpng affecting pnggroup libpng. Get real-time updates, technical details, and

CVE-2026-3713: Heap-based Buffer Overflow in pnggroup libpng - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-3713: Heap-based Buffer Overflow in pnggroup libpng


Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement updateCVE-2025-28162 0 This update includes the following RPMs: libpng: * libpng-1.6.56-1.hum1 (aarch64, x86_64) * libpng-devel-1.6.56-1.hum1 (aarch64, x86_64) * libpng-static-1.6.56-1.hum1 (aarch64, x86_64) * libpng-tools-1.6.56-1.hum1 (aarch64, x86_64) * libpng-1.6.56-1.hum1.src (source) HighVulnerability#gcve #csaf #cve-2025-28162 Join the discussion	GCVE Database	04/07/2026, 06:21:37 UTC Added: 05/26/2026, 20:58:48 UTC
CVE-2026-3713: Heap-based Buffer Overflow in pnggroup libpngCVE-2026-3713 0 CVE-2026-3713 is a heap-based buffer overflow vulnerability in the pnggroup libpng library up to version 1.6.55. It affects the function do_pnm2png in the file contrib/pngminus/pnm2png.c, where manipulation of the width and height arguments can cause the overflow. Exploitation requires local access and no user interaction. Although an exploit has been published, the project has not yet responded with a fix. MediumVulnerability#cve #cve-2026-3713 Join the discussion	CVE Database V5	03/08/2026, 06:02:11 UTC Added: 03/08/2026, 06:08:05 UTC

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