CVE-2024-7592
Python denial of service
- Published19 Aug 2024
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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HAffected products
Remediation
- 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
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://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
and 2 more references
Related CVEs
Recent high-severity vulnerabilities sharing a weakness type.
Frequently asked
Is CVE-2024-7592 being actively exploited?
CVE-2024-7592 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 2.30%.
How severe is CVE-2024-7592?
CVE-2024-7592 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 2.30% probability of exploitation.
Which products are affected by CVE-2024-7592?
Affected products include Python.
How do I fix CVE-2024-7592?
Upgrade affected software to a fixed version, for example Python 3.10.15 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2024-7592 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.