CVE-2026-44452 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. Descriptionh2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it is NULL-terminated. This is a potential denial-of-service attack vector in sense that it might trigger segmentation violation. This issue has been fixed by commit 8dc37cb. Metrics
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Quick InfoCVE Dictionary Entry:CVE-2026-44452 NVD Published Date: 07/16/2026 NVD Last Modified: 07/16/2026 Source: GitHub, Inc. |
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