{"id":"AZL-105131","summary":"CVE-2026-88831 affecting package busybox 1.36.1-27","details":"BusyBox httpd IP deny rules with invalid CIDR prefix lengths fail open, leaving a parsed IP with a zeroed mask so the rule matches no clients.","modified":"2026-10-03T05:35:10Z","published":"2026-09-23T18:17:10Z","upstream":["CVE-2026-88831"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88831"}],"affected":[{"package":{"name":"busybox","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/busybox"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.36.1-27"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-105131.json"}}],"schema_version":"1.9.0"}