{"schema_version":"1.7.5","id":"PSF-2026-3","published":"2026-01-20T21:40:24.938Z","modified":"2026-07-10T00:45:06.162875931Z","aliases":["BIT-libpython-2025-15366","BIT-python-2025-15366","BIT-python-min-2025-15366","CVE-2025-15366"],"details":"The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands containing control characters.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"0"},{"fixed":"6262704b134db2a4ba12e85ecfbd968534f28b45"},{"fixed":"d0921efb665aff26b378f495e5ff84f7e3fe649d"},{"fixed":"f2cd7ef89aa8a0dcbc7283bbd39548b76f2a736a"},{"fixed":"298182272a740ce2016aee2f54acbd0bba1944c1"},{"fixed":"71926d943c05bde79bd2a866933103541d91b6a2"}]}],"versions":["v3.15.0b3","v3.13.14","v3.14.6","v3.15.0b2","v3.14.5","v3.15.0b1","v3.14.5rc1","v3.13.13","v3.14.4","v3.15.0a8","v3.15.0a7","v3.15.0a6","v3.13.12","v3.14.3","v3.15.0a5","v3.15.0a4","v3.15.0a3","v3.14.2","v3.13.11","v3.13.10","v3.14.1","v3.15.0a2","v3.15.0a1","v3.13.8","v3.14.0","v3.14.0rc3","v3.13.7","v3.14.0rc2","v3.13.6","v3.14.0rc1","v3.14.0b4","v3.14.0b3","v3.13.5","v3.13.4","v3.14.0b2","v3.14.0b1","v3.13.3","v3.14.0a7","v3.14.0a6","v3.14.0a5","v3.13.2","v3.14.0a4","v3.14.0a3","v3.13.1","v3.14.0a2","v3.14.0a1","v3.13.0","v3.13.0rc3","v3.13.0rc2","v3.13.0rc1","v3.13.0b4","v3.13.0b3","v3.13.0b2","v3.13.0b1","v3.13.0a6","v3.13.0a5","v3.13.0a4","v3.13.0a3","v3.13.0a2","v3.13.0a1","v3.12.0b1","v3.12.0a7","v3.12.0a6","v3.12.0a5","v3.12.0a4","v3.12.0a3","v3.12.0a2","v3.12.0a1","v3.11.0b1","v3.11.0a7","v3.11.0a6","v3.11.0a5","v3.11.0a4","v3.11.0a3","v3.10.0a7","v3.10.0a1","v3.9.0a2","v3.7.0a2","v3.6.0b1","v3.6.0a3","v3.5.0b1","v3.5.0a4","v3.5.0a3","v3.5.0a2","v3.5.0a1","v3.4.0b3","v3.4.0b2","v3.4.0b1","v3.4.0a4","v3.4.0a3","v3.4.0a2","v3.4.0a1","v3.3.0rc3","v3.3.0rc2","v3.3.0rc1","v3.3.0b2","v3.3.0b1","v3.3.0a4","v3.3.0a3","v3.3.0a2","v3.2rc3","v3.2rc2","v3.2rc1","v3.2b2","v3.2b1","v3.2a4","v3.2a3","v3.2a2","v3.2a1","v3.1","v3.1rc2","v3.1rc1","v3.1b1","v3.1a2","v3.1a1","v3.0rc3","v3.0rc2","v3.0rc1","v3.0b3","v3.0b2","v3.0b1","v3.0a5","v3.0a4","v3.0a3","v3.0a2","v3.0a1","v2.4","v2.4c1","v2.4b2","v2.4b1","v2.4a3","v2.4a2","v2.4a1","v2.3c2","v2.3c1","v2.2a3","v2.1","v2.1c2","v2.1c1","v2.1b2","v2.1b1","v2.1a2","v2.1a1","v2.0","v2.0c1","v2.0b2","v2.0b1","v1.6a2","v1.6a1","v1.5.2","v1.5.2c1","v1.5.2b2","v1.5.2b1","v1.5.2a2","v1.5.2a1","v1.5.1","v1.5","v1.5b2","v1.5b1","v1.5a4","v1.5a3","v1.5a2","v1.5a1","v1.4","v1.4b3","v1.4b2","v1.4b1","v1.3","v1.3b1","v1.2","v1.2b4","v1.2b3","v1.2b2","v1.2b1","v1.1.1","v1.1","v1.0.2","v1.0.1","v0.9.9","v0.9.8"],"database_specific":{"source":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-3.json"}}],"references":[{"type":"REPORT","url":"https://github.com/python/cpython/issues/143921"},{"type":"WEB","url":"https://github.com/python/cpython/pull/143922"},{"type":"ADVISORY","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/DD7C7JZJYTBXMDOWKCEIEBJLBRU64OMR/"},{"type":"FIX","url":"https://github.com/python/cpython/commit/6262704b134db2a4ba12e85ecfbd968534f28b45"},{"type":"FIX","url":"https://github.com/python/cpython/commit/d0921efb665aff26b378f495e5ff84f7e3fe649d"},{"type":"FIX","url":"https://github.com/python/cpython/commit/f2cd7ef89aa8a0dcbc7283bbd39548b76f2a736a"},{"type":"FIX","url":"https://github.com/python/cpython/commit/298182272a740ce2016aee2f54acbd0bba1944c1"},{"type":"FIX","url":"https://github.com/python/cpython/commit/71926d943c05bde79bd2a866933103541d91b6a2"}],"database_specific":{"cwe_ids":[]}}