{"schema_version":"1.9.0","id":"CVE-2025-11468","published":"2026-01-20T21:09:11.229Z","modified":"2026-08-12T03:51:47.728629315Z","aliases":["BIT-libpython-2025-11468","BIT-python-2025-11468","BIT-python-min-2025-11468","PSF-2026-1"],"related":["CGA-38jr-x953-j4jx","SUSE-SU-2026:0612-1","SUSE-SU-2026:0613-1","SUSE-SU-2026:0642-1","SUSE-SU-2026:0643-1","SUSE-SU-2026:0644-1","SUSE-SU-2026:0645-1","SUSE-SU-2026:0664-1","SUSE-SU-2026:0693-1","SUSE-SU-2026:0767-1","SUSE-SU-2026:1062-1","SUSE-SU-2026:1107-1","SUSE-SU-2026:1117-1","SUSE-SU-2026:1349-1","SUSE-SU-2026:20543-1","SUSE-SU-2026:20581-1","SUSE-SU-2026:20665-1","SUSE-SU-2026:20710-1","SUSE-SU-2026:20768-1","SUSE-SU-2026:20796-1","openSUSE-SU-2026:10117-1","openSUSE-SU-2026:10126-1","openSUSE-SU-2026:10200-1","openSUSE-SU-2026:10221-1","openSUSE-SU-2026:10222-1","openSUSE-SU-2026:10223-1","openSUSE-SU-2026:20254-1"],"summary":"Folding email comments of unfoldable characters doesn't preserve parenthesis","details":"When folding a long comment in an email header containing exclusively unfoldable characters, the parenthesis would not be preserved. This could be used for injecting headers into email messages where addresses are user-controlled and not sanitized.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"0"},{"introduced":"deaf509e8fc6e0363bd6f26d52ad42f976ec42f2"},{"introduced":"0fb18b02c8ad56299d6a2910be0bab8ad601ef24"},{"introduced":"60403a5409ff2c3f3b07dd2ca91a7a3e096839c7"},{"introduced":"ebf955df7a89ed0c7968f79faec1de49f61ed7cb"},{"introduced":"f31a89bb901067dd105b00cfa90523cf7ffdbbdd"},{"fixed":"842e987df856a5d4db37933c62a3456930a19092"},{"fixed":"2340a037f7450e70fccfe411e6531afb4d57a312"},{"fixed":"3bb231a6a5dc02b95658877318bf61501a7209e9"},{"fixed":"1cbe481834751b0125e006042ffbd8cd5eaec8a8"},{"fixed":"323c59a5e348347be2ce2b7ea55fcb30bf68b2d3"},{"fixed":"15b216f30d0445469ec31bc7509fcc55a216ef7c"},{"fixed":"003b8315669b9f08b1010a49071f73f15f818094"},{"fixed":"17d1490aa97bd6b98a42b1a9b324ead84e7fd8a2"},{"fixed":"61614a5e5056e4f61ced65008d4576f3df34acb6"},{"fixed":"a76e4cd62dd68e7cbe86e37e6ed988495a646b66"},{"fixed":"e9970f077240c7c670e8a6fc6662f2b30d3b6ad0"},{"fixed":"f738386838021c762efea6c9802c82de65e87796"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.10.20"},{"introduced":"3.11.0"},{"fixed":"3.11.15"},{"introduced":"3.12.0"},{"fixed":"3.12.13"},{"introduced":"3.13.0"},{"fixed":"3.13.12"},{"introduced":"3.14.0"},{"fixed":"3.14.3"},{"introduced":"3.15.0a1"},{"fixed":"3.15.0a6"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["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","v3.11.14","v3.10.19","v3.12.12","v3.14.0","v3.13.7","v3.13.6","v3.13.5","v3.13.4","v3.11.13","v3.10.18","v3.12.11","v3.14.0b1","v3.13.3","v3.11.12","v3.12.10","v3.14.0a7","v3.10.17","v3.14.0a6","v3.14.0a5","v3.13.2","v3.12.9","v3.14.0a4","v3.14.0a3","v3.13.1","v3.12.8","v3.10.16","v3.11.11","v3.14.0a2","v3.14.0a1","v3.13.0","v3.12.7","v3.11.10","v3.10.15","v3.12.6","v3.12.5","v3.12.4","v3.13.0b1","v3.13.0a6","v3.12.3","v3.11.9","v3.10.14","v3.13.0a5","v3.13.0a4","v3.12.2","v3.11.8","v3.13.0a3","v3.12.1","v3.11.7","v3.13.0a2","v3.13.0a1","v3.11.6","v3.12.0","v3.11.5","v3.10.13","v3.11.4","v3.10.12","v3.12.0b1","v3.10.11","v3.11.3","v3.12.0a7","v3.12.0a6","v3.10.10","v3.11.2","v3.12.0a5","v3.12.0a4","v3.12.0a3","v3.10.9","v3.11.1","v3.12.0a2","v3.12.0a1","v3.11.0rc2","v3.10.8","v3.10.7","v3.11.0rc1","v3.10.6","v3.11.0b5","v3.11.0b4","v3.10.5","v3.11.0b3","v3.11.0b2","v3.11.0b1","v3.11.0a7","v3.10.4","v3.10.3","v3.11.0a6","v3.11.0a5","v3.11.0a4","v3.10.2","v3.11.0a3","v3.10.1","v3.10.0rc2","v3.10.0rc1","v3.10.0b4","v3.10.0b3","v3.10.0b2","v3.10.0b1","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://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-11468.json"}}],"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11468.json"},{"type":"ADVISORY","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/FELSEOLBI2QR6YLG6Q7VYF7FWSGQTKLI/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11468"},{"type":"REPORT","url":"https://github.com/python/cpython/issues/143935"},{"type":"FIX","url":"https://github.com/python/cpython/commit/003b8315669b9f08b1010a49071f73f15f818094"},{"type":"FIX","url":"https://github.com/python/cpython/commit/17d1490aa97bd6b98a42b1a9b324ead84e7fd8a2"},{"type":"FIX","url":"https://github.com/python/cpython/commit/61614a5e5056e4f61ced65008d4576f3df34acb6"},{"type":"FIX","url":"https://github.com/python/cpython/commit/a76e4cd62dd68e7cbe86e37e6ed988495a646b66"},{"type":"FIX","url":"https://github.com/python/cpython/commit/e9970f077240c7c670e8a6fc6662f2b30d3b6ad0"},{"type":"FIX","url":"https://github.com/python/cpython/commit/f738386838021c762efea6c9802c82de65e87796"},{"type":"FIX","url":"https://github.com/python/cpython/pull/143936"},{"type":"PACKAGE","url":"https://github.com/python/cpython"}],"database_specific":{"cna_assigner":"PSF","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/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