{"id":"AZL-64124","summary":"CVE-2025-6021 affecting package libxml2 for versions less than 2.11.5-6","details":"A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.","modified":"2026-04-01T05:20:49.191777Z","published":"2025-06-12T13:15:25Z","upstream":["CVE-2025-6021"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6021"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libxml2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.11.5-6"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-64124.json"}}],"schema_version":"1.7.5"}