CYBERSECURITYTRACKER
TRACKING6,506 stories in this site build1,309 vulnerability news stories in this site build
Permanent story citation

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

This page keeps the story as Cybersecurity Tracker first published it. If the tracker later corrects it, the correction appears below the original and never replaces it.

Back to newsStory 2776

As cited

Copy frozen at (site build).

vulnerabilities

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

A vulnerability called HollowByte enables unauthenticated attackers to trigger denial-of-service conditions on OpenSSL servers using an 11-byte malicious payload. The flaw causes excessive memory consumption on affected servers, degrading availability without requiring authentication or complex exploitation techniques.

Why it matters: OpenSSL operators and infrastructure teams need to assess exposure immediately, as any internet-facing OpenSSL service can be targeted with minimal network overhead by remote attackers.

Source published
First seen by Cybersecurity Tracker

Source attribution

Correction

Correction recorded as of .

vulnerabilities

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

A vulnerability called HollowByte enables unauthenticated attackers to trigger denial-of-service conditions on OpenSSL servers using an 11-byte malicious payload. The flaw causes excessive memory consumption on affected servers, degrading availability without requiring authentication or complex exploitation techniques.

Why it matters: OpenSSL operators and infrastructure teams need to assess exposure immediately, as any internet-facing OpenSSL service can be targeted with minimal network overhead by remote attackers.

VendorsOktaOpenSSL
Source published
First seen by Cybersecurity Tracker

Source attribution

Glossary