CVEvulnerability

CVE-2016-4864

7.5 HIGH Published 2017-05-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-05-12
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
Weaknesses
CWE-134

Description

H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.

Affected configurations

• dena h2o (>= 2.0.0 <= 2.0.3) • dena h2o 2.1.0

Related

Weakness · CWE (1)

  • CWE-134 Use of Externally-Controlled Format String weakness

References