CLSA-2026-1771408532 java-21-openjdk: Fix of 3 CVEs

Update to jdk-21.0.10+7 - CVE-2026-21945: fix possible DOS - CVE-2025-65018: fix libpng heap buffer overflow in pngimagefinishread when processing 16-bit interlaced PNGs with 8-bit output format - CVE-2025-64720: fix libpng out-of-bounds read in pngimagereadcomposite when processing palette...

libpng: LIBPNG buffer overflow

A buffer overflow flaw has been discovered in libpng. An out-of-bounds read vulnerability exists in pngimagereadcomposite when processing palette images with PNGFLAGOPTIMIZEALPHA enabled. The palette compositing code in pnginitreadtransformations incorrectly applies background compositing during...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : libpng vulnerabilities (USN-7924-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7924-1 advisory. It was discovered that libpng incorrectly handled memory when processing certain PNG file...

USN-7924-1: libpng vulnerabilities

It was discovered that libpng incorrectly handled memory when processing certain PNG files, which could result in an out-of-bounds memory access. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash,...

OESA-2025-2763 libpng security update

The libpng package contains libraries used by other programs for reading and writing PNG format files. The PNG format was designed as a replacement for GIF and, to a lesser extent, TIFF, with many improvements and extensions and lack of patent problems. Security Fixes: LIBPNG is a reference libra...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read via the pngimagereadcomposite function when reading palette images with the PNGFLAGOPTIMIZEALPHA flag set. An attacker can supply a specially-crafted PNG image that triggers an invalid alpha pre-multiplication...