Fedora 43 PyPy Critical JIT Fix CVE-2026-25645 CVE-2025-8869
fedora
April 16, 2026
JIT translation fix for bootstraping, require openssl 3 and fix CVE-2026-25645 and CVE-2025-8869
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:
JIT translation fix for bootstraping, require openssl 3 and fix CVE-2026-25645 and CVE-2025-8869
Topics Covered
Change Log
* Tue Apr 14 2026 Charalampos Stratakis
References
[ 1 ] Bug #2397929 - CVE-2025-8869 pypy: pip missing checks on symbolic link extraction [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2397929
[ 2 ] Bug #2452324 - CVE-2026-25645 pypy: Requests: Security bypass due to predictable temporary file creation [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2452324
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-2af3865ebf' 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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Critical
Name: pypy
Product: Fedora 43
Version: 7.3.21
Release: 8.fc43
URL: https://pypy.org/
Summary: Python implementation with a Just-In-Time compiler
Topics Covered
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