Threats Tagged 'ghsa-j4m8-9jmg-4wpv'
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Threats Tagged 'ghsa-j4m8-9jmg-4wpv'
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0 CVE-2026-33605 is a high-severity vulnerability in Open-Xchange GmbH OX Dovecot Pro affecting the ManageSieve login process. An unauthenticated attacker can send a small malformed command before authentication to crash the ManageSieve login process. In high-security mode (default for community releases), only the attacker's connection is terminated, while in high-performance mode (default for Pro releases), all connections handled by the same managesieve-login process are terminated. This can lead to denial of service for Sieve script management. No public exploits are known. Network access to ManageSieve should be restricted to trusted clients, and updating to a non-vulnerable version is recommended. Join the discussion | GCVE Database | 08/28/2026, 10:12:13 UTC Added: 08/28/2026, 15:22:37 UTC |
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