POP3 command injection in user-controlled commands
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
02 / AFFECTED SOFTWARE
Affected packages
140 explicit affected versions
307 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.
05 / REFERENCES
Further evidence
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15367.json
- https://github.com/python/cpython
- 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/[email protected]/thread/CBFBOWVGGUJFSGITQCCBZS4GEYYZ7ZNE/
- https://nvd.nist.gov/vuln/detail/CVE-2025-15367