#TLS
HollowByte: How 11 Bytes Can Quietly Starve an OpenSSL Server to Death
A newly disclosed OpenSSL weakness, dubbed HollowByte, lets an unauthenticated attacker trigger a slow, memory-fragmenting denial-of-service condition using a payload as small as 11 bytes. Because it was...
Let’s Encrypt Halts All Certificate Issuance After Cross-Signed Root Certificate Incident
Let's Encrypt temporarily suspended all certificate issuance on May 8, 2026, after engineers identified a critical issue with a cross-signed certificate linking its Generation X root to its...