{"id":"CVE-2025-15282","summary":"Header injection via newlines in data URL mediatype","details":"User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.","aliases":["BIT-libpython-2025-15282","BIT-python-2025-15282","BIT-python-min-2025-15282","PSF-2026-2"],"modified":"2026-06-03T03:55:26.466958454Z","published":"2026-01-20T21:35:13.865Z","related":["ALSA-2026:10950","ALSA-2026:19064","ALSA-2026:19177","CGA-677h-pf23-hqmp","SUSE-SU-2026:0612-1","SUSE-SU-2026:0613-1","SUSE-SU-2026:0642-1","SUSE-SU-2026:0643-1","SUSE-SU-2026:0644-1","SUSE-SU-2026:0645-1","SUSE-SU-2026:0664-1","SUSE-SU-2026:0693-1","SUSE-SU-2026:0767-1","SUSE-SU-2026:1107-1","SUSE-SU-2026:1117-1","SUSE-SU-2026:1349-1","SUSE-SU-2026:20543-1","SUSE-SU-2026:20581-1","SUSE-SU-2026:20665-1","SUSE-SU-2026:20710-1","SUSE-SU-2026:20768-1","SUSE-SU-2026:20796-1","openSUSE-SU-2026:10152-1","openSUSE-SU-2026:10200-1","openSUSE-SU-2026:10206-1","openSUSE-SU-2026:10221-1","openSUSE-SU-2026:10222-1","openSUSE-SU-2026:10223-1","openSUSE-SU-2026:20254-1"],"database_specific":{"cna_assigner":"PSF","cwe_ids":["CWE-93"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15282.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15282.json"},{"type":"ADVISORY","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/X66HL7SISGJT33J53OHXMZT4DFLMHVKF/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15282"},{"type":"REPORT","url":"https://github.com/python/cpython/issues/143925"},{"type":"FIX","url":"https://github.com/python/cpython/commit/05356b1cc153108aaf27f3b72ce438af4aa218c0"},{"type":"FIX","url":"https://github.com/python/cpython/commit/34d76b00dabde81a793bd06dd8ecb057838c4b38"},{"type":"FIX","url":"https://github.com/python/cpython/commit/3f396ca9d7bbe2a50ea6b8c9b27c0082884d9f80"},{"type":"FIX","url":"https://github.com/python/cpython/commit/4ed11d3cd288e6b90196a15c5a825a45d318fe47"},{"type":"FIX","url":"https://github.com/python/cpython/commit/a35ca3be5842505dab74dc0b90b89cde0405017a"},{"type":"FIX","url":"https://github.com/python/cpython/commit/f25509e78e8be6ea73c811ac2b8c928c28841b9f"},{"type":"FIX","url":"https://github.com/python/cpython/pull/143926"},{"type":"PACKAGE","url":"https://github.com/python/cpython"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"f31a89bb901067dd105b00cfa90523cf7ffdbbdd"},{"fixed":"15b216f30d0445469ec31bc7509fcc55a216ef7c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-15282.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}