{"apiVersion":"1.0","identifier":"CVE-2026-33605","description":"An unauthenticated attacker can crash the ManageSieve login process by sending a small malformed command before authenticating. If running in high-security mode (default for community releases), only the attacker-s own connection is terminated. If running in high-performance mode (default for Pro releases), all connections handled by the same managesieve-login process are terminated. Repeating the attack can cause denial of service for Sieve script management. Restrict network access to the ManageSieve service to trusted clients. Update to non-vulnerable version. No publicly available exploits are known.","publishedAt":"2026-08-28T12:16:27","lastModifiedAt":"2026-08-28T12:16:27","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-33605","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","epssProbability":0,"riskScore":0.75,"affectedProduct":"Dovecot","affectedVersions":"unknown","vulnerabilityType":"Other","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-33605","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-33605","en":"https://www.redsauce.net/en/cves/CVE-2026-33605","fr":"https://www.redsauce.net/fr/cves/CVE-2026-33605","pt":"https://www.redsauce.net/pt/cves/CVE-2026-33605","de":"https://www.redsauce.net/de/cves/CVE-2026-33605","sk":"https://www.redsauce.net/sk/cves/CVE-2026-33605","el":"https://www.redsauce.net/el/cves/CVE-2026-33605"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-33605"}}