Search: CVE-2026-27858

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
High	7.5	EPSS 0.8%	CVE-2026-27858Open-Xchange OX Dovecot Pro · Uncontrolled Resource Consumption High7.5EPSS 0.8%2026-03-27CVE Database V5CVE-2026-27858 Attacker can send a specifically crafted message before authentication that causes managesieve to allocate large amount of memory. Attacker can force managesieve-login to be unavailable by repeatedly crashing the process. Protect access to managesieve protocol, or install fixed version. No publicly available exploits are known. EPSS 0.8%Vulnerability CWE-770	CVE Database V5	2026-03-27

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