Name: CVE-2025-15282: Improper Neutralization of CRLF Sequences
Creator: Rapid7
Published: 2026-01-20T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-15282, CVSS 6, EPSS 0.00081

User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.

CVSS Details

CVSS 4.0 Base Score: 6 (MEDIUM)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N/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)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade python3.12-rpm-macrosUpgrade python3.12-tkinterUpgrade python3.12Upgrade python3.12-idleUpgrade python3.12-libsUpgrade python3.12-develUpgrade python3.12-testUpgrade python3.12-debug	Apr 29, 2026	Apr 27, 2026
Amazon Linux Ami 2	—	Upgrade python3-libsUpgrade python3-debugUpgrade tkinterUpgrade python3-debuginfoUpgrade python-develUpgrade pythonUpgrade python-debuginfoUpgrade python3Upgrade python3-toolsUpgrade python3-testUpgrade python3-tkinterUpgrade python-libsUpgrade python-toolsUpgrade python-testUpgrade python3-develUpgrade python-debug	May 20, 2026	May 20, 2026
Amazon_linux_2023	—	Upgrade python3-tkinterUpgrade python3.11-testUpgrade python3-develUpgrade python3.12-libsUpgrade python3.13-testUpgrade python3-testUpgrade python3.11Upgrade python3.12-debugUpgrade python3.13-freethreadingUpgrade python3-libsUpgrade python-unversioned-commandUpgrade python3.11-tkinterUpgrade python3.12-tkinterUpgrade python3.13Upgrade python3.12-develUpgrade python3.13-debugUpgrade python3.13-debuginfoUpgrade python3.9-debugsourceUpgrade python3.13-libsUpgrade python3.11-debugUpgrade python3.12Upgrade python3Upgrade python3.11-develUpgrade python3.11-debugsourceUpgrade python3.12-debugsourceUpgrade python3.13-idleUpgrade python3-idleUpgrade python3.13-tkinterUpgrade python3.13-debugsourceUpgrade python3-debugUpgrade python3.13-develUpgrade python3.11-idleUpgrade python3.13-freethreading-debugUpgrade python3.12-debuginfoUpgrade python3.9-debuginfoUpgrade python3.11-debuginfoUpgrade python3.12-idleUpgrade python3.12-testUpgrade python3.11-libs	Feb 20, 2026	Jan 20, 2026
Debian	—	Upgrade python3.13Upgrade python3.9Upgrade python3.11	Jan 27, 2026	Jan 27, 2026
Oracle_linux	—	Upgrade python3-testUpgrade python3Upgrade python3-tkinterUpgrade python3.12-tkinterUpgrade python3-debugUpgrade python3.12-debugUpgrade python3.12Upgrade python3.12-libsUpgrade python-unversioned-commandUpgrade python3-idleUpgrade python3-libsUpgrade python3-develUpgrade python3.12-idleUpgrade python3.12-testUpgrade python3.12-develUpgrade python3.12-rpm-macros	Apr 29, 2026	Jan 20, 2026
Redhat_linux	—	Upgrade python3-develUpgrade python3.12-debugsourceUpgrade python3.12-libsUpgrade python3-debugUpgrade python3-idleUpgrade python-unversioned-commandUpgrade python3-libsUpgrade python3.12-debuginfoUpgrade python3.12-debugUpgrade python3-tkinterUpgrade python3.12-rpm-macrosUpgrade python3.12-testUpgrade python3Upgrade python3.12-tkinterUpgrade python3.12-idleUpgrade python3-testUpgrade python3.12No solution existsUpgrade python3.12-devel	Apr 29, 2026	Jan 20, 2026
Rocky_linux	—	Upgrade python3.12-libsUpgrade python3-libsUpgrade python3.12-develUpgrade python3.12-debugsourceUpgrade python3.12-idleUpgrade python3.12-debugUpgrade python3.12-testUpgrade python3Upgrade python3-idleUpgrade python3-develUpgrade python3-debugUpgrade python3.12-tkinterUpgrade python3.12-debuginfoUpgrade python3-testUpgrade python3.12Upgrade python3-tkinter	Apr 29, 2026	Apr 28, 2026
Ubuntu	—	Upgrade python2.7 (Ubuntu Pro)Upgrade python3.14-examplesUpgrade libpython2.7 (Ubuntu Pro)Upgrade python3.8 (Ubuntu Pro)Upgrade python3.12-examplesUpgrade libpython3.13-devUpgrade python3.13Upgrade libpython3.11-stdlib (Ubuntu Pro)Upgrade python3.11-minimal (Ubuntu Pro)Upgrade idle-python3.10Upgrade python3.14-docUpgrade libpython3.7-dev (Ubuntu Pro)Upgrade python3.10-minimalUpgrade python3.8-doc (Ubuntu Pro)Upgrade python3.4-doc (Ubuntu Pro)Upgrade libpython3.4-stdlib (Ubuntu Pro)Upgrade python3.8-venv (Ubuntu Pro)Upgrade libpython3.10-testsuiteUpgrade python3.8-dev (Ubuntu Pro)Upgrade libpython3.13-minimalUpgrade libpython3.4-dev (Ubuntu Pro)Upgrade python3.6 (Ubuntu Pro)Upgrade idle-python3.7 (Ubuntu Pro)Upgrade python3.12-nopieUpgrade idle-python3.4 (Ubuntu Pro)Upgrade python3.9-examples (Ubuntu Pro)Upgrade python3.7-venv (Ubuntu Pro)Upgrade libpython3.10-devUpgrade libpython3.12t64Upgrade libpython3.5-dev (Ubuntu Pro)Upgrade libpython3.6-minimal (Ubuntu Pro)Upgrade python3.10Upgrade python3.13-gdbmUpgrade python3.10-docUpgrade idle-python3.11 (Ubuntu Pro)Upgrade libpython3.6 (Ubuntu Pro)Upgrade python3.4 (Ubuntu Pro)Upgrade libpython3.13Upgrade python3.12-docUpgrade python3.10-fullUpgrade python3.14-devUpgrade python3.11 (Ubuntu Pro)Upgrade python3.12Upgrade libpython3.12-devUpgrade libpython3.13-testsuiteUpgrade idle-python3.12Upgrade python3.13-devUpgrade libpython3.13-stdlibUpgrade python3.9-full (Ubuntu Pro)Upgrade python3.8-full (Ubuntu Pro)Upgrade python3.11-examples (Ubuntu Pro)Upgrade python3.14-gdbmUpgrade libpython3.14Upgrade python3.10-examplesUpgrade idle-python3.14Upgrade libpython3.7 (Ubuntu Pro)Upgrade libpython3.11-dev (Ubuntu Pro)Upgrade python3.14Upgrade python3.13-fullUpgrade python3.4-minimal (Ubuntu Pro)Upgrade libpython3.7-minimal (Ubuntu Pro)Upgrade python3.9-doc (Ubuntu Pro)Upgrade libpython3.12-testsuiteUpgrade libpython3.8 (Ubuntu Pro)Upgrade python3.14-minimalUpgrade libpython3.9-stdlib (Ubuntu Pro)Upgrade libpython3.8-minimal (Ubuntu Pro)Upgrade libpython3.14-testsuiteUpgrade idle-python3.13Upgrade python3.11-dev (Ubuntu Pro)Upgrade python3.6-venv (Ubuntu Pro)Upgrade libpython3.6-testsuite (Ubuntu Pro)Upgrade python3.13-docUpgrade python3.14-venvUpgrade libpython3.9 (Ubuntu Pro)Upgrade python3.6-dev (Ubuntu Pro)Upgrade python3.5-venv (Ubuntu Pro)Upgrade idle-python3.5 (Ubuntu Pro)Upgrade python3.11-nopie (Ubuntu Pro)Upgrade python3.12-minimalUpgrade python3.9 (Ubuntu Pro)Upgrade python3.6-minimal (Ubuntu Pro)Upgrade libpython3.8-testsuite (Ubuntu Pro)Upgrade python3.5-doc (Ubuntu Pro)Upgrade python3.7-minimal (Ubuntu Pro)Upgrade python3.10-devUpgrade libpython3.5-testsuite (Ubuntu Pro)Upgrade python3.11-venv (Ubuntu Pro)Upgrade python3.13-examplesUpgrade python3.9-minimal (Ubuntu Pro)Upgrade python3.5-minimal (Ubuntu Pro)Upgrade libpython3.10Upgrade python3.14-fullUpgrade libpython3.14-stdlibUpgrade python3.7-doc (Ubuntu Pro)Upgrade python3.7-dev (Ubuntu Pro)Upgrade libpython3.7-stdlib (Ubuntu Pro)Upgrade libpython3.5-minimal (Ubuntu Pro)Upgrade libpython3.12-stdlibUpgrade python3.12-fullUpgrade libpython3.10-minimalUpgrade python3.13-minimalUpgrade libpython3.8-stdlib (Ubuntu Pro)Upgrade python3.14-nopieUpgrade libpython3.4-testsuite (Ubuntu Pro)Upgrade python3.13-tkUpgrade python3.10-nopieUpgrade libpython3.12-minimalUpgrade python3.4-venv (Ubuntu Pro)Upgrade python3.4-dev (Ubuntu Pro)Upgrade python3.8-minimal (Ubuntu Pro)Upgrade idle-python3.8 (Ubuntu Pro)Upgrade idle-python3.9 (Ubuntu Pro)Upgrade libpython3.11 (Ubuntu Pro)Upgrade libpython3.6-stdlib (Ubuntu Pro)Upgrade python3.13-venvUpgrade libpython3.9-testsuite (Ubuntu Pro)Upgrade libpython3.9-dev (Ubuntu Pro)Upgrade libpython3.7-testsuite (Ubuntu Pro)Upgrade python3.7-examples (Ubuntu Pro)Upgrade libpython3.4-minimal (Ubuntu Pro)Upgrade python3.5 (Ubuntu Pro)Upgrade libpython3.5-stdlib (Ubuntu Pro)Upgrade libpython3.4 (Ubuntu Pro)Upgrade libpython3.9-minimal (Ubuntu Pro)Upgrade libpython3.11-testsuite (Ubuntu Pro)Upgrade python3.5-examples (Ubuntu Pro)Upgrade python3.6-examples (Ubuntu Pro)Upgrade python3.6-doc (Ubuntu Pro)Upgrade python3.12-venvUpgrade python3.5-dev (Ubuntu Pro)Upgrade libpython3.14-devUpgrade python3.13-nopieUpgrade libpython3.14-minimalUpgrade libpython3.5 (Ubuntu Pro)Upgrade python3.4-examples (Ubuntu Pro)Upgrade libpython3.11-minimal (Ubuntu Pro)Upgrade python3.9-dev (Ubuntu Pro)Upgrade libpython3.6-dev (Ubuntu Pro)Upgrade python3.7 (Ubuntu Pro)Upgrade python3.9-venv (Ubuntu Pro)Upgrade python3.10-venvUpgrade libpython3.10-stdlibUpgrade python3.8-examples (Ubuntu Pro)Upgrade python3.11-full (Ubuntu Pro)Upgrade python3.11-doc (Ubuntu Pro)Upgrade libpython3.8-dev (Ubuntu Pro)Upgrade idle-python3.6 (Ubuntu Pro)Upgrade python3.12-devUpgrade python3.14-tk	Feb 6, 2026	Jan 20, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	May 27, 2026	Jan 20, 2026

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence