libpng: LIBPNG has a heap buffer overflow in png_set_quantize

A heap based buffer overflow flaw has been discovered in LibPNG. Prior to version 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported b...

RHEL 9 : libpng15 (RHSA-2026:3968)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:3968 advisory. The libpng15 package provides libpng 1.5, an older version of the libpng. library for manipulating PNG Portable Network Graphics image format files...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the dopnm2png function. An attacker can achieve code execution, data corruption, or application crash by providing specially crafted width or height arguments that trigger a heap-based buffer overflow duri...

CVE-2026-3713

A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function dopnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the argument width/height causes heap-based buffer overflow. The attack is restricted to local...

UBUNTU-CVE-2026-3713

A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function dopnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the argument width/height causes heap-based buffer overflow. The attack is restricted to local...

CVE-2026-3713 pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow

A flaw has been found in pnggroup libpng up to 1.6.55. Affected by this vulnerability is the function dopnm2png of the file contrib/pngminus/pnm2png.c of the component pnm2png. This manipulation of the argument width/height causes heap-based buffer overflow. The attack is restricted to local...

Amazon Linux 2023 : libpng, libpng-devel, libpng-static (ALAS2023-2026-1463)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1463 advisory. libpng: An out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maxim...

Amazon Linux 2 : libpng, --advisory ALAS2-2026-3189 (ALAS-2026-3189)

The version of libpng installed on the remote host is prior to 1.5.13-8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3189 advisory. libpng: An out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogra...

libpng security update

An update is available for libpng. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libpng packages contain a library of functions for creating and...

Medium: libpng

Issue Overview: libpng: An out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported by the user's display, certain palettes will cause the function to...

RHEL 9 : libpng (RHSA-2026:3574)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3574 advisory. The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics PNG image format files. Security...

Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-11.0.0.2)

The version of AHV installed on the remote host is prior to 11.0.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-11.0.0.2 advisory. - A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the...

libpng: LIBPNG has a heap buffer overflow in png_set_quantize

A heap based buffer overflow flaw has been discovered in LibPNG. Prior to version 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported b...

libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read

A flaw was found in libpng, a reference library for processing PNG Portable Network Graphics image files. A local attacker could exploit a heap buffer over-read vulnerability in the pngimagefinishread function by tricking a user into processing a specially crafted interlaced 16-bit PNG file with ...

libpng: LIBPNG has a heap buffer overflow in png_set_quantize

A heap based buffer overflow flaw has been discovered in LibPNG. Prior to version 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported b...

libpng: libpng: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read

A flaw was found in libpng, a reference library for processing PNG Portable Network Graphics image files. A local attacker could exploit a heap buffer over-read vulnerability in the pngimagefinishread function by tricking a user into processing a specially crafted interlaced 16-bit PNG file with ...

libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API

A flaw was found in libpng, a reference library for PNG Portable Network Graphics raster image files. An integer truncation vulnerability exists in the pngwriteimage16bit and pngwriteimage8bit simplified write API functions. A local attacker could exploit this flaw by providing a negative row...

libpng: LIBPNG has a heap buffer overflow in png_set_quantize

A heap based buffer overflow flaw has been discovered in LibPNG. Prior to version 1.6.55, an out-of-bounds read vulnerability exists in the pngsetquantize API function. When the function is called with no histogram and the number of colors in the palette is more than twice the maximum supported b...

RHEL 9 : libpng (RHSA-2026:3575)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3575 advisory. The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics PNG image format files. Security...

libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API

A flaw was found in libpng, a reference library for PNG Portable Network Graphics raster image files. An integer truncation vulnerability exists in the pngwriteimage16bit and pngwriteimage8bit simplified write API functions. A local attacker could exploit this flaw by providing a negative row...