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Security Affairs 2 hours, 10 minutes ago

OpenSSL Fixes HollowByte Memory Exhaustion Bug

Okta disclosed HollowByte, an 11-byte OpenSSL flaw that lets remote attackers exhaust server memory and trigger denial-of-service attacks. Okta’s Red Team disclosed a denial-of-service vulnerability in OpenSSL they named HollowByte, and the attack payload is exactly 11 bytes. A remote, unauthenticated attacker sends that payload and the server allocates up to 131 KB of memory […]

More from Security Affairs 19 Jul 2026, 6:24 a.m. Disclosure DoS Flaw Okta OpenSSL Unauthenticated Vulnerability