CVE search · CVE-2025-13836
CVE-2025-13836
medium 6.3
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.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- cna@python.org
- Weakness
- CWE-400
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 4.0 | medium 6.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
cna@python.orgSecondary |
| CVSS 3.1 | high 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- python · python
References
- https://github.com/python/cpython/commit/14b1fdb0a94b96f86fc7b86671ea9582b8676628Patch
- https://github.com/python/cpython/commit/289f29b0fe38baf2d7cb5854f4bb573cc34a6a15Patch
- https://github.com/python/cpython/commit/4ce27904b597c77d74dd93f2c912676021a99155Patch
- https://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5Patch
- https://github.com/python/cpython/commit/5dc101675fd22918facbbe0fecdc821502beaaf0Patch
- https://github.com/python/cpython/commit/afc40bdd3dd71f343fd9016f6d8eebbacbd6587cPatch
- https://github.com/python/cpython/issues/119451Issue TrackingPatch
- https://github.com/python/cpython/pull/119454Issue TrackingPatch
- https://mail.python.org/archives/list/security-announce@python.org/thread/OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO/Vendor Advisory