CVE-2025-13836
Severity CVSS v4.0:
MEDIUM
Type:
CWE-400
Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
01/12/2025
Last modified:
02/12/2025
Description
When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.
Impact
Base Score 4.0
6.30
Severity 4.0
MEDIUM
References to Advisories, Solutions, and Tools
- https://github.com/python/cpython/commit/4ce27904b597c77d74dd93f2c912676021a99155
- https://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5
- https://github.com/python/cpython/issues/119451
- https://github.com/python/cpython/pull/119454
- https://mail.python.org/archives/list/security-announce@python.org/thread/OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO/



