libpng: LIBPNG out-of-bounds read in png_image_read_composite

An out of bounds read vulnerability has been discovered in libpng. This vulnerability is in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing valid palette PNG images with partial transparency and gamma correction. The PNG files that trigger...

K000159626: libpng vulnerability CVE-2025-64720

Security Advisory Description 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...

SUSE-SU-2026:20030-1 Security update for libpng16

This update for libpng16 fixes the following issues: - CVE-2025-64505: heap buffer over-read in pngdoquantize when processing PNG files malformed palette indices bsc1254157. - CVE-2025-64506: heap buffer over-read in pngwriteimage8bit when processing 8-bit input with convertto8bit enabled...

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...