CVE-2016-4817

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CVSS 3.0

7.5 high

EPSS

4%p91

Published

Jun 19, 2016 (Jun 19, 2016)

Modified

Jun 17, 2026

Description

lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.

Vendors: dena
Products: h2o
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (4.4%)

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