{"id":"AZL-45321","summary":"CVE-2017-18926 affecting package raptor2 2.0.15-29","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":"2026-04-01T05:15:48.210702Z","published":"2020-11-06T18:15:11Z","upstream":["CVE-2017-18926"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18926"}],"affected":[{"package":{"name":"raptor2","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/raptor2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.15-29"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-45321.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"}]}