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High DLA-4481-1 3 CVEs

libpng1.6 - security update

Published Feb 17, 2026 · Updated Feb 17, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 11 libpng1.6 1.6.37-3+deb11u2

Vulnerabilities 3

  • High 8.3

    LIBPNG has a heap buffer overflow in png_set_quantize

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to 1.6.55, an out-of-bounds read vulnerability exists in the png_set_quantize() API function. When the function i…

  • Medium 6.8

    LIBPNG has an integer truncation causing heap buffer over-read in png_image_write_*

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.26 to 1.6.53, there is an integer truncation in the libpng simplified write API functions png_write_image_16bi…

  • Medium 6.1

    LIBPNG has a heap buffer over-read in png_image_read_direct_scaled (regression from CVE-2025-65018 fix)

    LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.51 to 1.6.53, there is a heap buffer over-read in the libpng simplified API function png_image_finish_read whe…