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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Python Software Foundation CPython
Default version status: unaffected
0 to < 3.10.20affected3.11.0 to < 3.11.15affected3.12.0 to < 3.12.13affected3.13.0 to < 3.13.11affected3.14.0 to < 3.14.1affected3.15.0a1 to < 3.15.0a3affected
References
- https://github.com/python/cpython/issues/119451 ↗
- https://github.com/python/cpython/pull/119454 ↗
- https://github.com/python/cpython/commit/4ce27904b597c77d74dd93f2c912676021a99155 ↗
- https://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5 ↗
- https://mail.python.org/archives/list/security-announce@python.org/thread/OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO/ ↗
- https://github.com/python/cpython/commit/289f29b0fe38baf2d7cb5854f4bb573cc34a6a15 ↗
- https://github.com/python/cpython/commit/14b1fdb0a94b96f86fc7b86671ea9582b8676628 ↗
- https://github.com/python/cpython/commit/5dc101675fd22918facbbe0fecdc821502beaaf0 ↗
- https://github.com/python/cpython/commit/afc40bdd3dd71f343fd9016f6d8eebbacbd6587c ↗