Updated libpng packages fix security vulnerabilities

LIBPNG has a use-after-free in pngsetPLTE, pngsettRNS and pngsethIST leading to corrupted chunk data and potential heap information disclosure. CVE-2026-34757 Chunk smuggling in push-mode APNG parser via unconsumed chunk body. CVE-2026-40930...

UBUNTU-CVE-2026-34757

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. From 1.0.9 to before 1.6.57, passing a pointer obtained from pnggetPLTE, pnggettRNS, or pnggethIST back into the corresponding setter on the same...

CVE-2026-33416

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. In versions 1.2.1 through 1.6.55, pngsettRNS and pngsetPLTE each alias a heap-allocated buffer between pngstruct and pnginfo, sharing a single allocation acros...

SUSE CVE-2006-5793

The sPLT chunk handling code pngsetsPLT function in pngset.c in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service crash via malformed sPLT chunks that trigger an out-of-bounds read...

SUSE CVE-2013-6954

The pngdoexpandpalette function in libpng before 1.6.8 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via 1 a PLTE chunk of zero bytes or 2 a NULL palette, related to pngrtran.c and pngset.c...

CVE-2020-25291

GdiDrawHoriLineIAlt in Kingsoft WPS Office before 11.2.0.9403 allows remote heap corruption via a crafted PLTE chunk in PNG data within a Word document. This is related to QBrush::setMatrix in gui/painting/qbrush.cpp in Qt 4.x...

libpng: unhandled zero-length PLTE chunk or NULL palette

The pngdoexpandpalette function in libpng before 1.6.8 allows remote attackers to cause a denial of service NULL pointer dereference and application crash via 1 a PLTE chunk of zero bytes or 2 a NULL palette, related to pngrtran.c and pngset.c...

libpng DoS

The sPLT chunk handling code pngsetsPLT function in pngset.c in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service crash via malformed sPLT chunks that trigger an out-of-bounds read...