{"id":"BIT-python-2025-11468","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.","aliases":["BIT-libpython-2025-11468","BIT-python-min-2025-11468","CVE-2025-11468","PSF-2026-1"],"modified":"2026-03-04T14:30:10.976255Z","published":"2026-01-26T14:49:32.088Z","database_specific":{"cpes":["cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://github.com/python/cpython/commit/17d1490aa97bd6b98a42b1a9b324ead84e7fd8a2"},{"type":"WEB","url":"https://github.com/python/cpython/issues/143935"},{"type":"WEB","url":"https://github.com/python/cpython/pull/143936"},{"type":"WEB","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/FELSEOLBI2QR6YLG6Q7VYF7FWSGQTKLI/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-11468"},{"type":"WEB","url":"https://github.com/python/cpython/commit/61614a5e5056e4f61ced65008d4576f3df34acb6"},{"type":"WEB","url":"https://github.com/python/cpython/commit/e9970f077240c7c670e8a6fc6662f2b30d3b6ad0"},{"type":"WEB","url":"https://github.com/python/cpython/commit/f738386838021c762efea6c9802c82de65e87796"},{"type":"WEB","url":"https://github.com/python/cpython/commit/a76e4cd62dd68e7cbe86e37e6ed988495a646b66"},{"type":"WEB","url":"https://github.com/python/cpython/commit/003b8315669b9f08b1010a49071f73f15f818094"}],"affected":[{"package":{"name":"python","ecosystem":"Bitnami","purl":"pkg:bitnami/python"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.13.12"},{"introduced":"3.14.0"},{"fixed":"3.14.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/python/BIT-python-2025-11468.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.7.3"}