{"id":"ALPINE-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":"2026-11-03T06:30:48.042734970Z","published":"2020-11-06T18:15:11.967Z","upstream":["CVE-2017-18926"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2017-18926"}],"affected":[{"package":{"name":"raptor2","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}},{"package":{"name":"raptor2","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/raptor2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.15-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2017-18926.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H"}]}