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Fedora 42: mingw-libpng Important Out-Of-Bounds Reads Fixes 2025-dbd70402f4

fedora
Calendar Grey December 22, 2025
Dist Fedora Esm H88
Fedora 42 update to mingw-libpng addresses critical issues via patched versions for safety.
Update to libpng-1.6.53, fixes CVE-2025-66293 and CVE-2025-64505.

Summary

MinGW Windows Libpng library.

Update Information:

Update to libpng-1.6.53, fixes CVE-2025-66293 and CVE-2025-64505.

Topics%20covered

Topics Covered

security advisory fedora buffer overflow important libpng out-of-bounds read

Change Log

* Sat Dec 13 2025 Sandro Mani - 1.6.53-1 - Update to 1.6.53

References


[ 1 ] Bug #2418425 - CVE-2025-64505 mingw-libpng: LIBPNG heap buffer overflow via malformed palette index [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2418425 [ 2 ] Bug #2418739 - CVE-2025-66293 mingw-libpng: LIBPNG out-of-bounds read in png_image_read_composite [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2418739 [ 3 ] Bug #2418750 - CVE-2025-66293 mingw-libpng: LIBPNG out-of-bounds read in png_image_read_composite [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2418750

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-dbd70402f4' 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

Severity
important
Lowest
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Critical

Name: mingw-libpng
Product: Fedora 42
Version: 1.6.53
Release: 1.fc42
URL: http://www.libpng.org/pub/png/
Summary: MinGW Windows Libpng library

Topics%20covered

Topics Covered

security advisory fedora buffer overflow important libpng out-of-bounds read

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