Fedora alert FEDORA-2026-bf741e26e4 (python-ujson)

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[SECURITY] Fedora 43 Update: python-ujson-5.12.0-1.fc43
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Sun, 22 Mar 2026 00:54:41 +0000
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<20260322005441.839E47942B@bastion01.rdu3.fedoraproject.org>
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Article
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Fedora Update Notification
FEDORA-2026-bf741e26e4
2026-03-22 00:52:45.125243+00:00
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Name        : python-ujson
Product     : Fedora 43
Version     : 5.12.0
Release     : 1.fc43
URL         : https://github.com/ultrajson/ultrajson
Summary     : Ultra fast JSON encoder and decoder written in pure C
Description :
UltraJSON is an ultra fast JSON encoder and decoder written in pure C with
bindings for Python.

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Update Information:

Update to 5.12.0. This release updates the license field in the Python
metadata and fixes a buffer overflow/infinite loop from indent handling.
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ChangeLog:

* Thu Mar 12 2026 Benjamin A. Beasley <code@musicinmybrain.net> - 5.12.0-1
- Update to 5.12.0 (close RHBZ#2446884)
* Thu Mar 12 2026 Benjamin A. Beasley <code@musicinmybrain.net> - 5.11.0-9
- Use the provisional pyproject declarative buildsystem
* Thu Mar 12 2026 Benjamin A. Beasley <code@musicinmybrain.net> - 5.11.0-6
- Use a pkgconfig(…) BR on double-conversion
* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 5.11.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
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References:

  [ 1 ] Bug #2446884 - python-ujson-5.12.0 is available
        https://bugzilla.redhat.com/show_bug.cgi?id=2446884
  [ 2 ] Bug #2449473 - CVE-2026-32875 python-ujson: UltraJSON: Denial of Service via large indent
parameter in JSON serialization [fedora-43]
        https://bugzilla.redhat.com/show_bug.cgi?id=2449473
  [ 3 ] Bug #2449474 - CVE-2026-32874 python-ujson: UltraJSON: Denial of Service due to memory leak
when parsing large integers [fedora-43]
        https://bugzilla.redhat.com/show_bug.cgi?id=2449474
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2026-bf741e26e4' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgr...

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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