---
title:

OpenSSL HollowByte Vulnerability Allows Server-Crashing Denial of Service

date: 2026-07-18
tags: [#news, #devops ]
draft: false
---

The Okta Red Team discovered HollowByte, a critical vulnerability in OpenSSL that enables remote, unauthenticated attackers to crash servers using an 11-byte payload. This exploit triggers unvalidated memory allocations that eventually fragment the heap and lead to persistent server instability, necessitating an immediate software update.