CVE-2023-41105

An issue was discovered in Python 3.11 through 3.11.4. If a path containing '\0' bytes is passed to os.path.normpath(), the path will be truncated unexpectedly at the first '\0' byte. There are plausible cases in which an application would have rejected a filename for security reasons in Python 3.10.x or earlier, but that filename is no longer rejected in Python 3.11.x.

• CWE-426

• https://github.com/python/cpython/issues/106242Issue Tracking, Patch
• https://github.com/python/cpython/pull/107981Patch
• https://github.com/python/cpython/pull/107982Patch
• https://github.com/python/cpython/pull/107983Patch
• https://mail.python.org/archives/list/security-announce%40python.org/thread/D6CDW3ZZC5D444YGL3VQUY6D4ECMCQLD/
• https://security.netapp.com/advisory/ntap-20231006-0015/Third Party Advisory
• https://github.com/python/cpython/issues/106242Issue Tracking, Patch
• https://github.com/python/cpython/pull/107981Patch
• https://github.com/python/cpython/pull/107982Patch
• https://github.com/python/cpython/pull/107983Patch
• https://mail.python.org/archives/list/security-announce%40python.org/thread/D6CDW3ZZC5D444YGL3VQUY6D4ECMCQLD/
• https://security.netapp.com/advisory/ntap-20231006-0015/Third Party Advisory

Published

Aug 23, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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