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Fedora Update Notification
FEDORA-2026-acf66846ee
2026-08-12 01:10:02.714629+00:00
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Name : libidn
Product : Fedora 43
Version : 1.44
Release : 1.fc43
URL : http://www.gnu.org/software/libidn/
Summary : Internationalized Domain Name support library
Description :
GNU Libidn is an implementation of the Stringprep, Punycode and
IDNA specifications defined by the IETF Internationalized Domain
Names (IDN) working group, used for internationalized domain
names.

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Update Information:

Security fix for CVE-2026-57053.
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ChangeLog:

* Mon Jun 22 2026 Miroslav Lichvar <mlichvar@redhat.com> - 1.44-1
- update to 1.44
* Fri Jan 16 2026 Fedora Release Engineering <releng@fedoraproject.org> -
1.43-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
* Wed Oct 1 2025 Yaakov Selkowitz <yselkowi@redhat.com> - 1.43-3
- Rebuilt for java-25-openjdk as system jdk
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References:

[ 1 ] Bug #2509779 - CVE-2026-57053 libidn: GNU libidn: Out-of-bounds read in
ToUnicode APIs [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2509779
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2026-acf66846ee' 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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