Unrated severityNVD Advisory· Published Aug 19, 2024· Updated Nov 3, 2025
Quadratic complexity parsing cookies with backslashes
CVE-2024-7592
Description
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.
Affected products
1- Range: 0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
10- github.com/python/cpython/commit/391e5626e3ee5af267b97e37abc7475732e67621mitrepatch
- github.com/python/cpython/commit/44e458357fca05ca0ae2658d62c8c595b048b5efmitrepatch
- github.com/python/cpython/commit/a77ab24427a18bff817025adb03ca920dc3f1a06mitrepatch
- github.com/python/cpython/commit/b2f11ca7667e4d57c71c1c88b255115f16042d9amitrepatch
- github.com/python/cpython/commit/d4ac921a4b081f7f996a5d2b101684b67ba0ed7fmitrepatch
- github.com/python/cpython/commit/d662e2db2605515a767f88ad48096b8ac623c774mitrepatch
- github.com/python/cpython/commit/dcc3eaef98cd94d6cb6cb0f44bd1c903d04f33b1mitrepatch
- github.com/python/cpython/pull/123075mitrepatch
- mail.python.org/archives/list/security-announce@python.org/thread/HXJAAAALNUNGCQUS2W7WR6GFIZIHFOOK/mitrevendor-advisory
- github.com/python/cpython/issues/123067mitreissue-tracking
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