#tls


OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

Jul 18, 2026 // 00:23

Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc […]

Microsoft to deprecate legacy TLS in Exchange Online starting July

Apr 28, 2026 // 16:37

Microsoft says it will start blocking legacy TLS connections for POP and IMAP email clients in Exchange Online starting in July 2026. The Transport Layer […]