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7.5

Apache HTTP Server Panics When Receiving Invalid HTTP/2 Frames

CVE-2026-27141
Summary

Apache HTTP Server may crash when receiving certain HTTP/2 frames. This can happen when a malicious user sends specific, unusual HTTP/2 data to the server. To protect your server, update to the latest version of Apache HTTP Server.

Original title
Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic
Original description
Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic
nvd CVSS3.1 7.5
Vulnerability type
CWE-476 NULL Pointer Dereference
Published: 26 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026