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Package "libpng-tools"

Name: libpng-tools

Description:

PNG library - tools (version 1.6)
Latest version: 1.6.50-1ubuntu0.3
Release: questing (25.10)
Level: security
Repository: main
Head package: libpng1.6
Homepage: http://libpng.org/pub/png/libpng.html

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Other versions of "libpng-tools" in Questing

Repository Area Version
base main 1.6.50-1
updates main 1.6.50-1ubuntu0.3

Changelog

Version: 1.6.50-1ubuntu0.3 2026-01-14 18:07:42 UTC

  libpng1.6 (1.6.50-1ubuntu0.3) questing-security; urgency=medium

  * SECURITY UPDATE: OOB in png_image_read_composite
    - debian/patches/CVE-2025-66293-1.patch: validate component size in
      pngread.c.
    - debian/patches/CVE-2025-66293-2.patch: improve fix in pngread.c.
    - CVE-2025-66293
  * SECURITY UPDATE: Heap buffer over-read in png_image_read_direct_scaled
    - debian/patches/CVE-2026-22695.patch: fix memcpy size in pngread.c.
    - CVE-2026-22695
  * SECURITY UPDATE: Integer truncation causing heap buffer over-read
    - debian/patches/CVE-2026-22801.patch: remove incorrect truncation
      casts in CMakeLists.txt, contrib/libtests/pngstest.c, pngwrite.c,
      tests/pngstest-large-stride.
    - CVE-2026-22801

 -- Marc Deslauriers <email address hidden> Mon, 12 Jan 2026 13:10:10 -0500
Source diff to previous version
CVE-2025-66293 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to
CVE-2026-22695 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.
CVE-2026-22801 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From 1.6.

Version: 1.6.50-1ubuntu0.1 2025-12-11 07:07:41 UTC

  libpng1.6 (1.6.50-1ubuntu0.1) questing-security; urgency=medium

  * SECURITY UPDATE: buffer overflow issue
    - debian/patches/CVE-2025-64505.patch: Fix a buffer overflow in
      png_do_quantize
    - debian/patches/CVE-2025-64506.patch: Fix a heap buffer overflow in
      png_write_image_8bit
    - debian/patches/CVE-2025-64720.patch: Fix a buffer overflow in
      png_init_read_transformations
    - debian/patches/CVE-2025-65018.patch: Fix a heap buffer overflow in
      png_image_finish_read
    - CVE-2025-64505
    - CVE-2025-64506
    - CVE-2025-64720
    - CVE-2025-65018

 -- Nishit Majithia <email address hidden> Tue, 09 Dec 2025 17:38:32 +0530
CVE-2025-64505 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. Prior to
CVE-2025-64506 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From vers
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 vers
CVE-2025-65018 LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From vers


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