HollowByte DDoS flaw bloats OpenSSL server memory with 11-byte payload | HappeningNow.news

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

A vulnerability dubbed HollowByte allows unauthenticated attackers to trigger a denial-of-service (DoS) condition on OpenSSL servers with a malicious payload of just 11 bytes.

Source AI Summary Published July 17, 2026 Brief Under 1 min brief
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AI Summary

A flaw named HollowByte lets unauthenticated attackers trigger a denial‑of‑service on OpenSSL servers using a malicious payload of only 11 bytes. The vulnerability was discovered and reported to the OpenSSL team, which quietly applied a fix without assigning a public identifier. The patch has been backported to older OpenSSL releases, ensuring that systems running legacy versions are also protected. No further public details about the exploit or affected versions were released.

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