{"id":"AZL-113540","summary":"CVE-2026-112318 affecting package krb5 1.21.3-6","details":"The policy RPC stubs in kadmin/server/server_stubs.c in MIT Kerberos 5 (aka krb5) 1.5.3 and later do not reject a NULL policy name decoded by xdr_nullstring(), which allows remote authenticated users to cause a denial of service (kadmind crash via NULL pointer dereference) by sending a policy request with an empty policy name that reaches authorization checks or logging code.","modified":"2026-11-14T05:30:17Z","published":"2026-11-09T19:16:40Z","upstream":["CVE-2026-112318"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112318"}],"affected":[{"package":{"name":"krb5","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/krb5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.21.3-6"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-113540.json"}}],"schema_version":"1.9.2"}