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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

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive

CVE-2025-28162 is a buffer overflow vulnerability identified in libpng versions 1.6.43 to 1.6.46, a widely used open-source library for handling PNG image files. The flaw arises when libpng processes specially crafted PNG images under AddressSanitizer (ASan), a memory error detector commonly used during software testing and debugging. The vulnerability causes memory leaks in multiple locations, leading to excessive memory consumption and eventually causing the affected program to become unresponsive or crash, resulting in a denial of service (DoS). This issue is exploitable by a local attacker with low privileges (PR:L) and does not require user interaction (UI:N). The attack vector is local, meaning remote exploitation is not feasible without prior access. The vulnerability is classified under CWE-120 (Classic Buffer Overflow), indicating improper handling of memory buffers. Although the CVSS score is 5.5 (medium severity), the impact is limited to availability, with no confidentiality or integrity compromise. No patches or known exploits are currently available, emphasizing the need for proactive mitigation. The vulnerability primarily affects development and testing environments where ASan is enabled, but could also impact production systems if ASan is used for runtime checks.

Detailed information about CVE-2025-28162: n/a. Get real-time updates, technical details, and mitigation strategies.

CVE-2025-28162: n/a - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-28162: n/a


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-2025-28162: n/aCVE-2025-28162 0 Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive MediumVulnerabilityGermanyFranceUnited Kingdom+5#cve #cve-2025-28162 Join the discussion	CVE Database V5	01/27/2026, 00:00:00 UTC Added: 01/27/2026, 16:06:00 UTC

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