{"id":"RLSA-2021:3492","summary":"Important: cyrus-imapd security update","details":"The Cyrus IMAP server provides access to personal mail, system-wide bulletin boards, news-feeds, calendar and contacts through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols.\n\nSecurity Fix(es):\n\n* cyrus-imapd: Denial of service via string hashing algorithm collisions (CVE-2021-33582)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-02-05T10:30:09.270589Z","published":"2021-09-13T06:47:39Z","upstream":["CVE-2021-33582"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:3492"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1993232"}],"affected":[{"package":{"name":"cyrus-imapd","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/cyrus-imapd?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.0.7-20.el8_4.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:3492.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}