CVE-2026-33416

CVE-2026-33416 concerns libpng: in versions 1.2.1 through 1.6.55, png_set_tRNS and png_set_PLTE alias a 256-byte and a 768-byte heap buffer between png_struct and png_info, respectively. Freeing via PNG_FREE_TRNS/PNG_FREE_PLTE frees through info_ptr while png_ptr remains dangling, causing potenti...

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...

CVE-2026-33416 LIBPNG has use-after-free via pointer aliasing in `png_set_tRNS` and `png_set_PLTE`

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...

libpng resource management error vulnerability

Libpng is an open-source PNG reference library developed by The PNG Development Group, which allows for the creation, reading, and other operations on PNG graphic files. Versions of Libpng prior to 1.6.55 contained a resource management vulnerability. This vulnerability stemmed from aliases and...

Azure Linux 3.0 Security Update: fltk (CVE-2015-8472)

The version of fltk installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2015-8472 advisory. - Buffer overflow in the pngsetPLTE function in libpng before 1.0.65, 1.1.x and 1.2.x before 1.2.55, 1.3.x, 1.4.x...

PT-2026-28481

Name of the Vulnerable Software and Affected Versions LIBPNG versions 1.2.1 through 1.6.55 Description LIBPNG is a library used by applications to read, create, and manipulate PNG raster image files. Versions 1.2.1 through 1.6.55 contain an issue where the png set tRNS and png set PLTE functions...

CVE-2020-25291: Out-of-bounds Write

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: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

DEBIAN-CVE-2015-8472

Buffer overflow in the pngsetPLTE function in libpng before 1.0.65, 1.1.x and 1.2.x before 1.2.55, 1.3.x, 1.4.x before 1.4.18, 1.5.x before 1.5.25, and 1.6.x before 1.6.20 allows remote attackers to cause a denial of service application crash or possibly have unspecified other impact via a small...

libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

libpng: Buffer overflow vulnerabilities in png_get_PLTE/png_set_PLTE functions

It was discovered that the pnggetPLTE and pngsetPLTE functions of libpng did not correctly calculate the maximum palette sizes for bit depths of less than 8. In case an application tried to use these functions in combination with properly calculated palette sizes, this could lead to a buffer...

PT-2015-3270

Name of the Vulnerable Software and Affected Versions libpng versions 1.0.0 through 1.0.64 libpng versions 1.1.x libpng versions 1.2.x through 1.2.54 libpng versions 1.3.x libpng versions 1.4.x through 1.4.17 libpng versions 1.5.x through 1.5.24 libpng versions 1.6.x through 1.6.19 Description Th...

libpng png_set_PLTE() and png_get_PLTE() buffer overflow vulnerabilities

libpng is a library of functions for parsing the PNG graphics format used by various applications. A buffer overflow vulnerability in the libpng pngsetPLTE and pnggetPLTE functions allows an attacker to construct a malicious special PNG file and trick an application into parsing it, which could...

PT-2015-2646

Name of the Vulnerable Software and Affected Versions libpng versions 1.0.0 through 1.0.63 libpng versions 1.1.x libpng versions 1.2.x through 1.2.53 libpng versions 1.3.x through 1.4.16 libpng versions 1.4.x through 1.4.16 libpng versions 1.5.x through 1.5.23 libpng versions 1.6.x through 1.6.18...

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...

Updated libpng12 package fixes security vulnerability

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 a PLTE chunk of zero bytes or a NULL palette, related to pngrtran.c and pngset.c CVE-2013-6954...

Updated libpng and libpng12 packages fix security vulnerability

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 a PLTE chunk of zero bytes or a NULL palette, related to pngrtran.c and pngset.c CVE-2013-6954...

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...