-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-168ebcb4a8 2026-02-18 00:54:04.864922+00:00 --------------------------------------------------------------------------------
Name : libpng Product : Fedora 42 Version : 1.6.55 Release : 1.fc42 URL : http://www.libpng.org/pub/png/ Summary : A library of functions for manipulating PNG image format files Description : The libpng package contains a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng should be installed if you need to manipulate PNG format image files. -------------------------------------------------------------------------------- Update Information: Version 1.6.54 [January 12, 2026] Fixed CVE-2026-22695 (medium severity): Heap buffer over-read in png_image_read_direct_scaled. Fixed CVE-2026-22801 (medium severity): Integer truncation causing heap buffer over-read in png_image_write_*. Version 1.6.55 [February 9, 2026] Fixed CVE-2026-25646 (high severity): Heap buffer overflow in png_set_quantize. -------------------------------------------------------------------------------- ChangeLog: * Fri Feb 13 2026 Michal Hlavinka <[email protected]> - 2:1.6.55-1 - updated to 1.6.55 (#2429529) * Wed Feb 11 2026 Michal Hlavinka <[email protected]> - 2:1.6.54-1 - updated to 1.6.54 * Fri Jan 16 2026 Fedora Release Engineering <[email protected]> - 2:1.6.53-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild -------------------------------------------------------------------------------- References: [ 1 ] Bug #2437248 - CVE-2026-22801 libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2437248 [ 2 ] Bug #2438669 - CVE-2026-25646 libpng: LIBPNG has a heap buffer overflow in png_set_quantize [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2438669 [ 3 ] Bug #2438681 - CVE-2026-25646 libpng: LIBPNG has a heap buffer overflow in png_set_quantize [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438681 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-168ebcb4a8' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new
