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CVE-2025-13836
Good to know:
Date: December 1, 2025
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.
Severity Score
Related Resources (8)
Severity Score
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400Top Fix
Upgrade Version
Upgrade to version cpython - 3.13.10;cpython - 3.14.1;https://github.com/python/cpython.git - v3.13.10;https://github.com/python/cpython.git - v3.14.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | CHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | LOW |