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CVE-2026-44452

MEDIUM · CVSS 5.9 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-07-16T23:16:17.280 · Çekilme zamanı: 2026-07-17T00:27:08.301319+00:00

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Detaylı analiz gerekiyor.

Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-44452
Severity
MEDIUM
CVSS
5.9
EPSS
Yok

Orijinal NVD Açıklaması

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.