https://seclists.org/oss-sec/2026/q2/139: [oss-security][CVE-2026-5713] CPython: Out-of-bounds ad/write during mote debugging when connecting to malicious target
Published Apr 15, 2026
·Updated
Affected Software
1 affected component
Python CPython>=3.14
Frequently Asked Questions
1
What is the severity of CVE-2026-5713?
CVE-2026-5713 has a high severity due to the potential for out-of-bounds read/write vulnerabilities that can be exploited by a malicious target.
2
How do I fix CVE-2026-5713?
To fix CVE-2026-5713, update Python to a patched version where the vulnerability has been addressed.
3
Which versions of Python are affected by CVE-2026-5713?
CVE-2026-5713 affects Python version 3.15 and above, particularly the profiling.sampling module, as well as 3.14 for asyncio introspection capabilities.
4
What are the potential impacts of CVE-2026-5713?
The potential impacts of CVE-2026-5713 include unauthorized access to sensitive memory areas, which may lead to data leakage or application crashes.
5
How can attackers exploit CVE-2026-5713?
Attackers can exploit CVE-2026-5713 by connecting to a vulnerable instance of Python using the profiling.sampling or asyncio introspection features, leading to out-of-bounds memory access.