CVEvulnerability

CVE-2016-4817

7.5 HIGH Published 2016-06-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-06-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P

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.

Affected configurations

• dena h2o (<= 1.7.2) • dena h2o (<= 2.0.0)

References