Name: CVE-2025-13836: Uncontrolled Resource Consumption
Creator: Rapid7
Published: 2025-12-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-13836, CWE-400, CVSS 7.5, EPSS 0.01631

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.

CVSS Details

CVSS 4.0 Base Score: 6.3 (MEDIUM)
CVSS 4.0 Vector: (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)
CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade python3.12-tkinterUpgrade python3.11-idleUpgrade python3.12Upgrade python3.12-develUpgrade python3.11-testUpgrade python3.11Upgrade python3.12-idleUpgrade python3.11-tkinterUpgrade python3.11-libsUpgrade python3.12-rpm-macrosUpgrade python3.11-rpm-macrosUpgrade python3.12-testUpgrade python3.11-develUpgrade python3.12-debugUpgrade python3.12-libsUpgrade python3.11-debug	Jan 30, 2026	Jan 27, 2026
Amazon_linux_2023	—	Upgrade python3.12-debuginfoUpgrade python3.13Upgrade python3.11-idleUpgrade python3.11-develUpgrade python3.12-tkinterUpgrade python3.12Upgrade python3.11-debugUpgrade python3.13-develUpgrade python3.13-debugsourceUpgrade python3.13-libsUpgrade python3.13-idleUpgrade python3.12-idleUpgrade python3.12-debugUpgrade python3.12-testUpgrade python3.11-tkinterUpgrade python3.11-testUpgrade python3.13-testUpgrade python3.13-freethreading-debugUpgrade python3.11-libsUpgrade python3.12-libsUpgrade python3.13-freethreadingUpgrade python3.11-debuginfoUpgrade python3.12-debugsourceUpgrade python3.12-develUpgrade python3.13-debuginfoUpgrade python3.13-tkinterUpgrade python3.11-debugsourceUpgrade python3.11Upgrade python3.13-debug	Jan 12, 2026	Dec 1, 2025
Debian	—	Upgrade python3.9Upgrade python3.11Upgrade python3.13	Jan 22, 2026	Jan 22, 2026
Freebsd	—	Upgrade python310Upgrade python313Upgrade python314Upgrade python39Upgrade python311Upgrade python312	Dec 10, 2025	Dec 8, 2025
Huawei Euleros 2_0_sp10	—	Upgrade python3Upgrade python3-fgoUpgrade python3-unversioned-command	Mar 17, 2026	Mar 16, 2026
Huawei Euleros 2_0_sp12	—	Upgrade python3-fgoUpgrade python3Upgrade python3-unversioned-command	Mar 17, 2026	Mar 16, 2026
Huawei Euleros 2_0_sp13	—	Upgrade python3-unversioned-commandUpgrade python3Upgrade python3-fgo	Mar 10, 2026	Mar 10, 2026
Oracle Missing Cpu Jan 2026	—	Apply the January 2026 Critical Patch Update (CPU) for Oracle Database	Jan 21, 2026	Dec 1, 2025
Oracle_linux	—	Upgrade python3-tkinterUpgrade python3-develUpgrade python3.11-debugUpgrade python3-libsUpgrade python3.11-testUpgrade python3-idleUpgrade python3.12-rpm-macrosUpgrade python3.12-develUpgrade python-unversioned-commandUpgrade python3.11-develUpgrade python3.11-idleUpgrade python3.11-tkinterUpgrade python3.11-libsUpgrade python3-testUpgrade python3.11-rpm-macrosUpgrade python3.12Upgrade python3.12-debugUpgrade python3.12-tkinterUpgrade python3.12-idleUpgrade python3.12-testUpgrade python3.12-libsUpgrade python3Upgrade python3-debugUpgrade python3.11	Jan 29, 2026	Dec 1, 2025
Redhat_linux	—	Upgrade python3-libsUpgrade python3-idleUpgrade python3.11-debuginfoUpgrade python3.12-idleUpgrade python3.11-idleUpgrade python3-develUpgrade python3Upgrade python-unversioned-commandUpgrade python3.12-develUpgrade python3.11-libsUpgrade python3.12-testUpgrade python3.12Upgrade python3.11-debugsourceUpgrade python3.11-tkinterUpgrade python3.12-tkinterUpgrade python3-testUpgrade python3.11-debugUpgrade python3.12-debuginfoUpgrade python3.12-libsUpgrade python3.11	Jan 28, 2026	Dec 1, 2025
Rocky_linux	—	Upgrade python3-testUpgrade python3Upgrade python3.12-debuginfoUpgrade python3.11-debugUpgrade python3.12-debugUpgrade python3.11-debugsourceUpgrade python3.11-idleUpgrade python3.12-libsUpgrade python3.12-idleUpgrade python3-debugUpgrade python3.12-tkinterUpgrade python3.12Upgrade python3.11-develUpgrade python3.11-tkinterUpgrade python3.11Upgrade python3-idleUpgrade python3-libsUpgrade python3-tkinterUpgrade python3.11-testUpgrade python3.12-debugsourceUpgrade python3.12-testUpgrade python3.12-develUpgrade python3-develUpgrade python3.11-debuginfoUpgrade python3.11-libs	Jan 29, 2026	Jan 28, 2026
Ubuntu	—	Upgrade libpython3.9 (Ubuntu Pro)Upgrade python3.11 (Ubuntu Pro)Upgrade python3.9 (Ubuntu Pro)Upgrade libpython3.11 (Ubuntu Pro)Upgrade libpython3.8 (Ubuntu Pro)Upgrade libpython3.10Upgrade python3.8 (Ubuntu Pro)Upgrade python3.13Upgrade python3.12Upgrade libpython3.13Upgrade libpython3.14Upgrade python3.14Upgrade libpython3.12t64Upgrade python3.10	Jan 13, 2026	Dec 1, 2025
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	May 27, 2026	Dec 1, 2025

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CVSS Details

Covered by Rapid7

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