CVEvulnerability
CVE-2025-15282
6.0 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-01-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.0 MEDIUM — 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
- Weaknesses
- CWE-93
Description
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
Related
Weakness · CWE (1)
- CWE-93 Improper Neutralization of CRLF Sequences weakness
References
- https://github.com/python/cpython/commit/05356b1cc153108aaf27f3b72ce438af4aa218c0 github.com
- https://github.com/python/cpython/commit/34d76b00dabde81a793bd06dd8ecb057838c4b38 github.com
- https://github.com/python/cpython/commit/3f396ca9d7bbe2a50ea6b8c9b27c0082884d9f80 github.com
- https://github.com/python/cpython/commit/4ed11d3cd288e6b90196a15c5a825a45d318fe47 github.com
- https://github.com/python/cpython/commit/a35ca3be5842505dab74dc0b90b89cde0405017a github.com
- https://github.com/python/cpython/commit/f25509e78e8be6ea73c811ac2b8c928c28841b9f github.com
- https://github.com/python/cpython/issues/143925 github.com
- https://github.com/python/cpython/pull/143926 github.com
- https://mail.python.org/archives/list/[email protected]/thread/X66HL7SISGJT33J53OHXMZT4DFLMHVKF/ mail.python.org