{"id":"CVE-2017-9233","details":"XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.","aliases":["PSF-2017-7"],"modified":"2026-08-21T11:45:16.189079004Z","published":"2017-07-25T20:29:00.220Z","related":["SUSE-SU-2017:2299-1","SUSE-SU-2017:2375-1","SUSE-SU-2017:2699-1","SUSE-SU-2017:2700-1","SUSE-SU-2020:0497-1","openSUSE-SU-2024:10748-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.7.0"},{"fixed":"2.7.15"},{"introduced":"3.3.0"},{"fixed":"3.3.7"},{"introduced":"3.4.0"},{"fixed":"3.4.7"},{"introduced":"3.5.0"},{"fixed":"3.5.4"},{"introduced":"3.6.0"},{"fixed":"3.6.2"}],"source":"CPE_RANGE","vendor_product":"python:python"},{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"},{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3898"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2017/06/17/7"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/99276"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039427"},{"type":"ADVISORY","url":"https://github.com/libexpat/libexpat/blob/master/expat/Changes"},{"type":"ADVISORY","url":"https://support.apple.com/HT208112"},{"type":"ADVISORY","url":"https://support.apple.com/HT208113"},{"type":"ADVISORY","url":"https://support.apple.com/HT208115"},{"type":"ADVISORY","url":"https://support.apple.com/HT208144"},{"type":"ADVISORY","url":"https://support.f5.com/csp/article/K03244804"},{"type":"EVIDENCE","url":"https://libexpat.github.io/doc/cve-2017-9233/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"last_affected":"fbc46fa2be307280648147543c053d05910f7a85"}],"database_specific":{"cpe":"cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.2.0"}],"source":"CPE_RANGE"}}],"versions":["R_2_2_0","R_2_1_1","R_2_1_0","R_2_0_1","R_2_0_0","R_1_95_8","R_1_95_7","R_1_95_6","R_1_95_5","R_1_95_4","R_1_95_3","R_1_95_2","R_1_95_0","libexpat-alpha-1","start","sourceforge_init","jclark-orig","V20000512","V19991013","V19990728","V19990709","V19990626","V1_1","V19990425","V1990307","V19990109","V19981231","V19981122","V1_0","beta4","beta3","beta2","REC1_0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-9233.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}