{"schemaVersion":3,"id":"SUSE-SU-2026:21208-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for dovecot24\n\nThis update for dovecot24 fixes the following issues:\n\n- Update to v2.4.3\n- CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins (bsc#1260894).\n- CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing\n  (bsc#1260895).\n- CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client (bsc#1260902).\n- CVE-2026-24031: SQL injection possible if auth_username_chars is configured empty. Fixed escaping to always happen.\n  v2.4 regression (bsc#1260896).\n- CVE-2026-27855: OTP driver vulnerable to replay attack (bsc#1260900).\n- CVE-2026-27856: Doveadm credentials were not checked using timing-safe checking function (bsc#1260899).\n- CVE-2026-27857: sending excessive parenthesis causes imap-login to use excessive memory (bsc#1260898).\n- CVE-2026-27858: pigeonhole: managesieve-login can allocate large amount of memory during authentication (bsc#1260901).\n- CVE-2026-27859: excessive RFC 2231 MIME parameters in email would can excessive CPU usage (bsc#1260897).\n- CVE-2026-27860: LDAP query injection possible if auth_username_chars is configured empty. Fixed escaping to always\n  happen. v2.4 regression (bsc#1260893).","dates":{"published":"2026-04-16T13:15:05.000Z","modified":"2026-04-22T18:26:16.302Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"dovecot24&distro=SUSE Linux Enterprise Server 16.0","name":"dovecot24","label":"dovecot24&distro=SUSE Linux Enterprise Server 16.0","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dovecot24&distro=SUSE Linux Enterprise Server 16.0","purlType":"rpm","versions":[{"text":"< 2.4.3-160000.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.3-160000.1.1","eol":null,"hubHref":null},{"vendor":"suse","product":"dovecot24&distro=SUSE Linux Enterprise Server for SAP applications 16.0","name":"dovecot24","label":"dovecot24&distro=SUSE Linux Enterprise Server for SAP applications 16.0","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/dovecot24&distro=SUSE Linux Enterprise Server for SAP applications 16.0","purlType":"rpm","versions":[{"text":"< 2.4.3-160000.1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.3-160000.1.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621208-1/","label":"www.suse.com/support/update/announcement/2026/suse-su-202621208-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1260893","label":"bugzilla.suse.com/1260893","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260894","label":"bugzilla.suse.com/1260894","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260895","label":"bugzilla.suse.com/1260895","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260896","label":"bugzilla.suse.com/1260896","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260897","label":"bugzilla.suse.com/1260897","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260898","label":"bugzilla.suse.com/1260898","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260899","label":"bugzilla.suse.com/1260899","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260900","label":"bugzilla.suse.com/1260900","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260901","label":"bugzilla.suse.com/1260901","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1260902","label":"bugzilla.suse.com/1260902","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59028","label":"www.suse.com/security/cve/CVE-2025-59028","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59031","label":"www.suse.com/security/cve/CVE-2025-59031","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59032","label":"www.suse.com/security/cve/CVE-2025-59032","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-24031","label":"www.suse.com/security/cve/CVE-2026-24031","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27855","label":"www.suse.com/security/cve/CVE-2026-27855","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27856","label":"www.suse.com/security/cve/CVE-2026-27856","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27857","label":"www.suse.com/security/cve/CVE-2026-27857","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27858","label":"www.suse.com/security/cve/CVE-2026-27858","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27859","label":"www.suse.com/security/cve/CVE-2026-27859","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2026-27860","label":"www.suse.com/security/cve/CVE-2026-27860","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2025-59028","CVE-2025-59031","CVE-2025-59032","CVE-2026-24031","CVE-2026-27855","CVE-2026-27856","CVE-2026-27857","CVE-2026-27858","CVE-2026-27859","CVE-2026-27860"],"downstream":[],"duplicates":[],"related":["CVE-2025-59028","CVE-2025-59031","CVE-2025-59032","CVE-2026-24031","CVE-2026-27855","CVE-2026-27856","CVE-2026-27857","CVE-2026-27858","CVE-2026-27859","CVE-2026-27860"]},"timeline":[{"kind":"published","date":"2026-04-16T13:15:05.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T18:26:16.302Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T02:30:57.265Z","stale":false,"partial":false}}