CVE-2024-6923

Published: Aug 1, 2024Modified: Jun 17, 2026Deferred

5.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Exploitability: 2.1 / Impact: 3.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Related CWEs

CWE-94

Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

References (15)

https://github.com/python/cpython/commit/06f28dc236708f72871c64d4bc4b4ea144c50147

Source: cna@python.org

https://github.com/python/cpython/commit/097633981879b3c9de9a1dd120d3aa585ecc2384

Source: cna@python.org

https://github.com/python/cpython/commit/4766d1200fdf8b6728137aa2927a297e224d5fa7

Source: cna@python.org

https://github.com/python/cpython/commit/4aaa4259b5a6e664b7316a4d60bdec7ee0f124d0

Source: cna@python.org

https://github.com/python/cpython/commit/b158a76ce094897c870fb6b3de62887b7ccc33f1

Source: cna@python.org

https://github.com/python/cpython/commit/f7be505d137a22528cb0fc004422c0081d5d90e6

Source: cna@python.org

https://github.com/python/cpython/commit/f7c0f09e69e950cf3c5ada9dbde93898eb975533

Source: cna@python.org

https://github.com/python/cpython/issues/121650

Source: cna@python.org

https://github.com/python/cpython/pull/122233

Source: cna@python.org

https://mail.python.org/archives/list/security-announce@python.org/thread/QH3BUOE2DYQBWP7NAQ7UNHPPOELKISRW/

Source: cna@python.org

http://www.openwall.com/lists/oss-security/2024/08/01/3