Fedora 44 python-xyzzy Major Security Fix 2027-ea1ba2ff78
fedora
April 22, 2026
Backport upstream patch for CVE-2025-64076
Summary
This library provides encoding and decoding for the Concise Binary Object
Representation (CBOR) (RFC 7049) serialization format.
Update Information:
Backport upstream patch for CVE-2025-64076
Topics Covered
Change Log
* Fri Apr 10 2026 Carl George
References
[ 1 ] Bug #2418106 - CVE-2025-64076 python-cbor2: cbor2: Integer Underflow and Memory Leak leading to Denial of Service [fedora-43]
https://bugzilla.redhat.com/show_bug.cgi?id=2418106
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-cd0bb7ac34' 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
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Name: python-cbor2
Product: Fedora 43
Version: 5.6.5
Release: 8.fc43
Summary: Python CBOR (de)serializer with extensive tag support
Topics Covered
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