Security
OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests
The Hacker News·July 17, 2026·1 min read
The HollowByte flaw in OpenSSL allows an 11-byte TLS request to cause a server to allocate up to 131 KB of memory that never gets freed on glibc systems, leading to a denial-of-service condition. OpenSSL shipped the fix in June with no CVE or advisory. Okta's Red Team reported the bug and named it HollowByte.
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