Fedora has released a security notification regarding an update for the giflib library on version 42 of their operating system. This specific release addresses CVE-2026-23868, which is a dangerous double-free vulnerability that could lead to memory corruption issues within the application if left unpatched by users.

Fedora 42 Update: giflib-5.2.2-9.fc42

[SECURITY] Fedora 42 Update: giflib-5.2.2-9.fc42

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Fedora Update Notification
FEDORA-2026-6ea5f04bb9
2026-04-06 00:48:30.895452+00:00
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Name : giflib
Product : Fedora 42
Version : 5.2.2
Release : 9.fc42
URL : http://www.sourceforge.net/projects/giflib/
Summary : A library and utilities for processing GIFs
Description :
giflib is a library for reading and writing gif images.

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Update Information:

Fix CVE-2026-23868.
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ChangeLog:

* Sat Mar 21 2026 Sandro Mani [manisandro@gmail.com] - 5.2.2-9
- Backport patch for CVE-2026-23868
* Wed Jul 23 2025 Fedora Release Engineering [releng@fedoraproject.org] - 5.2.2-8
- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
* Wed Jul 16 2025 Sandro Mani [manisandro@gmail.com] - 5.2.2-7
- Increase minimum cmake version to 3.5
- Use GnuInstallDirs
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References:

[ 1 ] Bug #2446289 - CVE-2026-23868 giflib: Giflib: Double-free vulnerability leading to memory corruption [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2446289
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2026-6ea5f04bb9' 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
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