https://www.cve.org/CVERecord?id=CVE-2026-5713 provides additional details
on the affected versions:
The "profiling.sampling" module (Python 3.15+) and "asyncio
introspection capabilities" (3.14+, "python -m asyncio ps" and "python
-m asyncio pstree") features could be used to read and write addresses
in a privileged process if that process connected to a malicious or
"infected" Python process via the remote debugging feature. This
vulnerability requires persistently and repeatedly connecting to the
process to be exploited, even after the connecting process crashes
with high likelihood due to ASLR.
------- Forwarded Message --------
Subject: [Security-announce][CVE-2026-5713] Out-of-bounds read/write during
remote debugging when connecting to malicious target
Date: Tue, 14 Apr 2026 15:13:09 +0000
From: Seth Larson <[email protected]>
Reply-To: [email protected]
To: [email protected]
There is a MEDIUM severity vulnerability affecting CPython.
The Python remote debugging feature could be used to read and write addresses in
a privileged process if that process connected to a malicious or "infected"
Python process via the remote debugging feature. This vulnerability requires
persistently and repeatedly connecting to the process to be exploited, even
after the connecting process crashes with high likelihood due to ASLR.
Please see the linked CVE ID for the latest information on affected versions:
* https://www.cve.org/CVERecord?id=CVE-2026-5713
* https://github.com/python/cpython/pull/148187
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