CVE-2024-6923
Email header injection due to unquoted newlines
- State
- Published
- Severity
- 5.5 Medium
- Published
- Aug 1, 2024
- Updated
- Nov 3, 2025
- Reserved
- Jul 19, 2024
Description
There is a MEDIUM severity vulnerability affecting CPython.
The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
CPythonPython Software Foundation |
|
References
- https://github.com/python/cpython/pull/122233patch
- https://github.com/python/cpython/issues/121650issue-tracking
- https://mail.python.org/archives/list/security-announce@python.org/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW/vendor-advisory
- https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7patch
- https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0patch
- https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147patch
- https://github.com/python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1patch
- https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6patch
- https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533patch
- https://github.com/python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384patch
- http://www.openwall.com/lists/oss-security/2024/08/01/3
- http://www.openwall.com/lists/oss-security/2024/08/02/2
- https://security.netapp.com/advisory/ntap-20240926-0003/
- https://lists.debian.org/debian-lts-announce/2025/01/msg00005.html
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
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