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HollowByte DDoS flaw bloats OpenSSL server memory with 11-byte payload

BleepingComputer·July 17, 2026·1 min read
HollowByte DDoS flaw bloats OpenSSL server memory with 11-byte payload

A vulnerability named HollowByte allows unauthenticated attackers to trigger a denial-of-service condition on OpenSSL servers with a malicious payload of just 11 bytes. The flaw exploits memory bloat, enabling attackers to disrupt server operations. The issue poses a significant threat to systems using OpenSSL.

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