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Status published
High
CVE-2016-4864
H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Kazuho Oku
View all reports →Affected Software
H2O
Vulnerable Versions:
versions 2.0.3 and earlier, versions 2.1.0-beta2 and earlier
Timeline
Official Publish:
May 12th, 2017
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.