{"id":"AZL-26281","summary":"CVE-2023-28484 affecting package libxml2 for versions less than 2.10.4-1","details":"In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c.","modified":"2026-04-01T05:08:19.102595Z","published":"2023-04-24T21:15:09Z","upstream":["CVE-2023-28484"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28484"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/libxml2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.4-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-26281.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:N/A:H"}]}