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...

EulerOS 2.0 SP12 : libpng (EulerOS-SA-2026-1072)

According to the versions of the libpng package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. From...

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...

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...

Important: libpng security update

The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics PNG image format files. Security Fixes: libpng: LIBPNG buffer overflow CVE-2025-64720 libpng: LIBPNG heap buffer overflow CVE-2025-65018 libpng: LIBPNG out-of-bounds read in...

Important: libpng security update

The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics PNG image format files. Security Fixes: libpng: LIBPNG buffer overflow CVE-2025-64720 libpng: LIBPNG heap buffer overflow CVE-2025-65018 libpng: LIBPNG out-of-bounds read in...

Security update for libpng16

This update for libpng16 fixes the following issues: CVE-2025-64720: Fixed buffer overflow in pngimagereadcomposite via incorrect palette premultiplication bsc1254159 CVE-2025-64505: Fixed heap buffer over-read in pngdoquantize via malformed palette index bsc1254157 CVE-2025-64506: Fixed heap...

SUSE-SU-2025:4494-1 Security update for libpng16

This update for libpng16 fixes the following issues: - CVE-2025-65018: Fixed heap buffer overflow in pngcombinerow triggered via pngimagefinishread bsc1254160 - CVE-2025-66293: Fixed LIBPNG out-of-bounds read in pngimagereadcomposite bsc1254480 - CVE-2025-64506: Fixed heap buffer over-read in...

Security update for libpng16

This update for libpng16 fixes the following issues: CVE-2025-65018: Fixed heap buffer overflow in pngcombinerow triggered via pngimagefinishread bsc1254160 CVE-2025-66293: Fixed LIBPNG out-of-bounds read in pngimagereadcomposite bsc1254480 CVE-2025-64506: Fixed heap buffer over-read in...

SUSE-SU-2025:21217-1 Security update for libpng16

This update for libpng16 fixes the following issues: - CVE-2025-66293: Fixed out-of-bounds read in pngimagereadcomposite bsc1254480. - CVE-2025-64505: Fixed heap buffer over-read in pngdoquantize via malformed palette index bsc1254157. - CVE-2025-64506: Fixed heap buffer over-read in...

Fedora 43 : libpng (2025-7f360be18f)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-7f360be18f advisory. Fixed CVE-2025-66293 high severity: Out-of-bounds read in pngimagereadcomposite. Fixed the Paeth filter handling in the RISC-V RVV implementation. Improved t...

Important: firefox

Issue Overview: A heap buffer over-read vulnerability exists in libpng's pngdoquantize function when processing PNG files with malformed palette indices. The vulnerability occurs when palettelookup array bounds are not validated against externally-supplied image data, allowing an attacker to craf...

Important: libpng

Issue Overview: A heap buffer over-read vulnerability exists in libpng's pngdoquantize function when processing PNG files with malformed palette indices. The vulnerability occurs when palettelookup array bounds are not validated against externally-supplied image data, allowing an attacker to craf...

LIBPNG has an out-of-bounds read in png_image_read_composite

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CVE-2025-66293 LIBPNG has an out-of-bounds read in png_image_read_composite

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG Portable Network Graphics raster image files. Prior to 1.6.52, an out-of-bounds read vulnerability in libpng's simplified API allows reading up to 1012 bytes beyond the pngsRGBbase512 array when processing...

PT-2025-55487

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 png image read composite when processing palette images with PNG FLAG OPTIMI...

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...