{"action":"Upgrade cyrus-imapd to 3.0.8-6 or later.","affected":[{"fixed":"3.0.8-6","introduced":"0"}],"component":"cyrus-imapd","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.0.8-6"],"id":"tcs_01M5NDP0N3CWKXMVBF00STAPSC","modified_at":"2026-09-21T07:01:27.145892585Z","published_at":"2019-06-03T20:29:00.297Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-11356","https://security-tracker.debian.org/tracker/CVE-2019-11356"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-11356","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-11356"}],"summary":"The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCale"}