Vulnerabilities > CVE-2016-4817 - Unspecified vulnerability in Dena H2O

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

dena

NVD

Published: 2016-06-19

Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part	Description	Count
Application	Dena Dena H2O 0.9.0 Dena H2O 0.9.1 Dena H2O 0.9.2 Dena H2O 1.0.0 Dena H2O 1.0.1 Dena H2O 1.1.0 Dena H2O 1.1.1 Dena H2O 1.2.0 Dena H2O 1.3.0 Dena H2O 1.3.1 Dena H2O 1.4.0 Dena H2O 1.4.1 Dena H2O 1.4.2 Dena H2O 1.4.3 Dena H2O 1.4.4 Dena H2O 1.4.5 Dena H2O 1.5.0 Dena H2O 1.5.1 Dena H2O 1.5.2 Dena H2O 1.5.3 Dena H2O 1.5.4 Dena H2O 1.5.5 Dena H2O 1.6.0 Dena H2O 1.6.1 Dena H2O 1.6.2 Dena H2O 1.6.3 Dena H2O 1.7.0 Dena H2O 1.7.1 Dena H2O 1.7.2 Dena H2O 2.0.0	42

Summary

Vulnerable Configurations

References