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Fedora 42: LibTIFF Important Memory Leak Fix CVE-2025-9165 Advisory

fedora
Calendar Grey August 27, 2025
Dist Fedora Esm H88
Patch for significant memory leak issue in libtiff, impacting Fedora 42 and linked to CVE-2025-9165; system update advised for enhanced security.
fix CVE-2025-9165: memory leak in tiffcmp (rhbz#2389608)

Summary

The libtiff package contains a library of functions for manipulating

TIFF (Tagged Image File Format) image format files. TIFF is a widely

used file format for bitmapped images. TIFF files usually end in the

.tif extension and they are often quite large.

The libtiff package should be installed if you need to manipulate TIFF

format image files.

Update Information:

fix CVE-2025-9165: memory leak in tiffcmp (rhbz#2389608)

Topics%20covered

Topics Covered

security advisory fedora important memory leak libtiff cve-2025-9165

Change Log

* Mon Aug 25 2025 Michal Hlavinka - 4.7.0-8 - fix CVE-2025-9165: memory leak in tiffcmp (rhbz#2389608)

References


[ 1 ] Bug #2389608 - CVE-2025-9165 libtiff: LibTIFF memory leak [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2389608

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-ac7b2513a8' 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
Low
Medium
High
Critical

Name: libtiff
Product: Fedora 42
Version: 4.7.0
Release: 8.fc42
URL: http://www.simplesystems.org/libtiff/
Summary: Library of functions for manipulating TIFF format image files

Topics%20covered

Topics Covered

security advisory fedora important memory leak libtiff cve-2025-9165

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