CVE-2025-15367

The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.

Score

CVSS 4.0 5.9 Medium

Status

Deferred - cna@python.org

Published

2026-01-20

Last modified

2026-02-26

Weaknesses

CWE-77

Affected products

• Cpython (Python Software Foundation)

References

• https://github.com/python/cpython/commit/b234a2b67539f787e191d2ef19a7cbdce32874e7
• https://github.com/python/cpython/issues/143923
• https://github.com/python/cpython/pull/143924
• https://mail.python.org/archives/list/security-announce@python.org/thread/CBFBOWVGGUJFSGITQCCBZS4GEYYZ7ZNE/