CVE-2026-44452
Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-125
Lectura fuera de límites
Fecha de publicación:
16/07/2026
Última modificación:
17/07/2026
Descripción
*** Pendiente de traducción *** h2o 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.
Impacto
Puntuación base 3.x
5.90
Gravedad 3.x
MEDIA



