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Fedora 43 glib2 Critical Advisory ID 2026-5637749c07 CVE-2026-0988

fedora
Calendar Grey March 21, 2026
Scroller Fedora
Explore the critical patch for glib2 in Fedora 43 addressing integer overflow issues that lead to DoS.
Add patch for CVE-2026-0988 (Integer overflow in g_buffered_input_stream_peek() leads to segmentation fault)

Summary

GLib is the low-level core library that forms the basis for projects

such as GTK+ and GNOME. It provides data structure handling for C,

portability wrappers, and interfaces for such runtime functionality

as an event loop, threads, dynamic loading, and an object system.

Update Information:

Add patch for CVE-2026-0988 (Integer overflow in g_buffered_input_stream_peek() leads to segmentation fault)

Topics%20covered

Topics Covered

security advisory denial of service fedora critical integer overflow glib2

Change Log

* Thu Mar 19 2026 Milan Crha - 2.86.4-2 - Add patch for CVE-2026-0988 (Integer overflow in g_buffered_input_stream_peek() leads to segmentation fault)

References


[ 1 ] Bug #2429913 - CVE-2026-0988 glib2: GLib: Denial of Service via Integer Overflow in g_buffered_input_stream_peek() [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2429913

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-5637749c07' 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
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Critical

Name: glib2
Product: Fedora 43
Version: 2.86.4
Release: 2.fc43
URL: https://www.gtk.org
Summary: A library of handy utility functions

Topics%20covered

Topics Covered

security advisory denial of service fedora critical integer overflow glib2

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