CVEvulnerability
CVE-2025-11468
5.7 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-01-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.7 MEDIUM — 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
- Weaknesses
- CWE-93
Description
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.
Related
Weakness · CWE (1)
- CWE-93 Improper Neutralization of CRLF Sequences weakness
References
- https://github.com/python/cpython/commit/003b8315669b9f08b1010a49071f73f15f818094 github.com
- https://github.com/python/cpython/commit/17d1490aa97bd6b98a42b1a9b324ead84e7fd8a2 github.com
- https://github.com/python/cpython/commit/61614a5e5056e4f61ced65008d4576f3df34acb6 github.com
- https://github.com/python/cpython/commit/a76e4cd62dd68e7cbe86e37e6ed988495a646b66 github.com
- https://github.com/python/cpython/commit/e9970f077240c7c670e8a6fc6662f2b30d3b6ad0 github.com
- https://github.com/python/cpython/commit/f738386838021c762efea6c9802c82de65e87796 github.com
- https://github.com/python/cpython/issues/143935 github.com
- https://github.com/python/cpython/pull/143936 github.com
- https://mail.python.org/archives/list/[email protected]/thread/FELSEOLBI2QR6YLG6Q7VYF7FWSGQTKLI/ mail.python.org