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Fedora 43 pypy3.11 JIT Backend Fix Advisory 2026-85a7950dd4

fedora
Calendar Grey March 30, 2026
Dist Fedora Esm H88
Update resolves jit backend issues for pypy3.11 on Fedora 43, ensuring system stability and security compliance.
Fix jit backend for ppc64le and s390x

Summary

PyPy's implementation of Python 3.11, 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 fedora software fix python jit

Change Log

* Thu Mar 19 2026 Charalampos Stratakis - 7.3.21-2 - Fix CVE-2025-56005 via removing no-longer used bundled ply - Fixes: rhbz#2431978 * Thu Mar 19 2026 Charalampos Stratakis - 7.3.21-1 - Update to 7.3.21 - Fixes: rhbz#2447285 * Sat Jan 17 2026 Fedora Release Engineering - 7.3.20-6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild * Tue Jan 6 2026 Miro Hron\u010dok - 7.3.20-5 - Enable JIT on riscv64 * Mon Jan 5 2026 Miro Hron\u010dok - 7.3.20-4 - Inject SBOM into the installed wheels (when using the bundled ones)

References


[ 1 ] Bug #2431978 - CVE-2025-56005 pypy3.11: From CVEorg collector [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2431978 [ 2 ] Bug #2447285 - pypy3.11-7.3.21 is available https://bugzilla.redhat.com/show_bug.cgi?id=2447285

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-85a7950dd4' 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
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Critical

Name: pypy3.11
Product: Fedora 43
Version: 7.3.21
Release: 3.3.11.fc43
URL: https://pypy.org/
Summary: Python 3.11 implementation with a Just-In-Time compiler

Topics%20covered

Topics Covered

security advisory fedora software fix python jit

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