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CVE

CVE-2025-13836

When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length.
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CVE

CVE-2025-13836

When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length.

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
6.3
-
4.0
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
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
C
H
U
-

Related Resources

No items found.

References

https://mail.python.org/archives/list/security-announce@python.org/thread/OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO/, https://github.com/python/cpython/issues/119451, https://github.com/python/cpython/pull/119454, https://github.com/python/cpython/commit/14b1fdb0a94b96f86fc7b86671ea9582b8676628, https://github.com/python/cpython/commit/289f29b0fe38baf2d7cb5854f4bb573cc34a6a15, https://github.com/python/cpython/commit/4ce27904b597c77d74dd93f2c912676021a99155, https://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5

Severity

9.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.1
EPSS Probability
0.00087%
EPSS Percentile
0.25328%
Introduced Version
0
Fix Available
5a4c4a033a4a54481be6870aa1896fad732555b5,3.9.2-1+deb11u4,0:3.12.3-1ubuntu0.10,0:3.8.0-3ubuntu1~18.04.2+esm8,0:3.8.10-0ubuntu1~20.04.18+esm4,0:3.9.5-3ubuntu0~20.04.1+esm8,0:3.10.12-1~22.04.13,0:3.11.0~rc1-1~22.04.1~esm7,0:3.13.11-1.amzn2023.0.1,0:3.12.12-2.amzn2023.0.3,0:3.11.14-1.amzn2023.0.3

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