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Fedora 43 pypy Important Fix JIT Backend Issues Advisory 2026-6c4a7cd1b1

fedora
Calendar Grey March 29, 2026
Dist Fedora Esm H88
Update for Fedora 43 pypy fixes jit backend and addresses critical security issue, enhancing Python compatibility.
Fix jit backend for ppc64le and s390x

Summary

PyPy's implementation of Python, featuring a Just-In-Time compiler on some CPU

architectures, and various optimized implementations of the standard types

(strings, dictionaries, etc)

This build of PyPy has JIT-compilation enabled.

Update Information:

Fix jit backend for ppc64le and s390x

Topics%20covered

Topics Covered

security advisory security issue fedora update important pypy

Change Log

* Thu Mar 19 2026 Charalampos Stratakis - 7.3.21-2 - Security fix for CVE-2025-56005 for the bundled ply within the bundled pycparser - Fixes: rhbz#2431976 * Thu Mar 19 2026 Charalampos Stratakis - 7.3.21-1 - Update to 7.3.21 - Fixes: rhbz#2447284 * Thu Mar 12 2026 Miro Hron\u010dok - 7.3.20-12 - Rebuilt for improvements of %python_wheel_inject_sbom in python-rpm- macros-3.14-11 * Fri Jan 30 2026 Miroslav Such - 7.3.20-11 - migrate license to SPDX * Sat Jan 17 2026 Fedora Release Engineering - 7.3.20-10 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild * Wed Jan 7 2026 Miro Hron\u010dok - 7.3.20-9 - Enable JIT on riscv64 * Wed Sep 24 2025 Miro Hron\u010dok - 7.3.20-6 - Inject SBOM into the installed wheels

References


[ 1 ] Bug #2431976 - CVE-2025-56005 pypy: From CVEorg collector [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2431976 [ 2 ] Bug #2447284 - pypy-7.3.21 is available https://bugzilla.redhat.com/show_bug.cgi?id=2447284

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-6c4a7cd1b1' 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
important
Lowest
Low
Medium
High
Critical

Name: pypy
Product: Fedora 43
Version: 7.3.21
Release: 3.fc43
URL: https://pypy.org/
Summary: Python implementation with a Just-In-Time compiler

Topics%20covered

Topics Covered

security advisory security issue fedora update important pypy

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