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...

CLSA-2026-1768909961 libpng: Fix of CVE-2025-64720

CVE-2025-64720: fix buffer overflow in pnginitreadtransformations function during palette compositing with optimized alpha...

Exploit for CVE-2025-64720

CVE-2025-64720: libpng Buffer Overflow in Palette Premultiplic...

DEBIAN-CVE-2025-64720

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. From version 1.6.0 to before 1.6.51, an out-of-bounds read vulnerability exists in pngimagereadcomposite when processing palette images with PNGFLAGOPTIMIZEALP...