Use-after-free and Remote Code Execution Vulnerability in H2O HTTP/2 Connection Handling

Use-after-free and Remote Code Execution Vulnerability in H2O HTTP/2 Connection Handling

CVE-2016-4817 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

Learn more about our Web Application Penetration Testing UK.