CVE-2024-7592

There is a LOW severity vulnerability affecting CPython, specifically the 'http.cookies' standard library module. When parsing cookies that contained backslashes for quoted characters in the cookie value, the parser would use an algorithm with quadratic complexity, resulting in excess CPU resources being used while parsing the value.

Score

CVSS 3.1 7.5 High

Status

Modified - cna@python.org

Published

2024-08-19

Last modified

2025-11-03

Weaknesses

CWE-1333, CWE-400

Affected products

• Cpython (Python)
• Python (Python)
• Cpython (Python Software Foundation)

References

• https://github.com/python/cpython/commit/391e5626e3ee5af267b97e37abc7475732e67621
• https://github.com/python/cpython/commit/44e458357fca05ca0ae2658d62c8c595b048b5ef
• https://github.com/python/cpython/commit/a77ab24427a18bff817025adb03ca920dc3f1a06
• https://github.com/python/cpython/commit/b2f11ca7667e4d57c71c1c88b255115f16042d9a
• https://github.com/python/cpython/commit/d4ac921a4b081f7f996a5d2b101684b67ba0ed7f
• https://github.com/python/cpython/commit/d662e2db2605515a767f88ad48096b8ac623c774
• https://github.com/python/cpython/commit/dcc3eaef98cd94d6cb6cb0f44bd1c903d04f33b1
• https://github.com/python/cpython/issues/123067
• https://github.com/python/cpython/pull/123075
• https://mail.python.org/archives/list/security-announce@python.org/thread/HXJAAAALNUNGCQUS2W7WR6GFIZIHFOOK/
• https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
• https://security.netapp.com/advisory/ntap-20241018-0006/