{"id":"CVE-2017-18926","details":"raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer, leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).","modified":"2026-03-15T22:24:11.187258Z","published":"2020-11-06T18:15:11.967Z","related":["ALSA-2021:1842","SUSE-SU-2020:3350-1","SUSE-SU-2020:3351-1","SUSE-SU-2020:3352-1","openSUSE-SU-2020:1949-1","openSUSE-SU-2020:1959-1","openSUSE-SU-2024:11296-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD67AVORGQXORPWNYYUHCH6YPPT6CI4O/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDZRNM45VPTQF2BKRWG4YRCHJGQ2L7NS/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVHFYQDMVEBICIL4DBAGRRLPUR4QYWMV/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/13/2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/14/2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/16/2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/16/3"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4785"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/11/13/1"},{"type":"FIX","url":"https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1"},{"type":"FIX","url":"https://www.openwall.com/lists/oss-security/2017/06/07/1"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.0.15"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"31"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18926.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"}]}