Threats Tagged 'cve-2026-104704'
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Threats Tagged 'cve-2026-104704'
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0 Progressive Robot Ltd's hMailServer versions 6.0.0 through 6.3.5 do not properly enforce TLS for outbound SMTP delivery when DNSSEC-validated TLSA records lack a DANE-EE (usage 3) record. Instead, the server treats certain TLSA record sets as if no records exist, falling back to opportunistic TLS. This behavior allows an active network attacker to suppress or break STARTTLS negotiation, causing emails to be sent in cleartext where they can be intercepted or modified. Join the discussion | CVE Database V5 | 10/08/2026, 10:52:40 UTC Added: 10/08/2026, 11:04:03 UTC |
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