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Fedora 41 - FEDORA-2025-0533c67535 critical: optipng buffer overflow

fedora
Calendar Grey June 24, 2025
Dist Fedora Esm H88
Fedora 41 enhances optipng to version 7.9.1 resolving critical buffer overflow vulnerability. Significant for image processing efficiency.
Update to 7.9.1

Summary

OptiPNG is a PNG optimizer that recompresses image files to a smaller size,

without losing any information. This program also converts external formats

(BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks

and corrections.

Update Information:

Update to 7.9.1

Topics%20covered

Topics Covered

security advisory fedora update buffer overflow optipng PNG optimizer

Change Log

* Sun Jun 15 2025 Peter Hanecak - 7.9.1-1 - Update to 7.9.1 * Fri Jan 17 2025 Fedora Release Engineering - 0.7.8-5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild

References


[ 1 ] Bug #2242460 - CVE-2023-43907 optipng: global buffer overflow via the 'buffer' variable at gifread.c. [epel-all] https://bugzilla.redhat.com/show_bug.cgi?id=2242460 [ 2 ] Bug #2359202 - optipng-7.9.1 is available https://bugzilla.redhat.com/show_bug.cgi?id=2359202

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-0533c67535' 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
critical
Lowest
Low
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Critical

Name: optipng
Product: Fedora 41
Version: 7.9.1
Release: 1.fc41
URL:
Summary: PNG optimizer and converter

Topics%20covered

Topics Covered

security advisory fedora update buffer overflow optipng PNG optimizer

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