CVE-2016-4864 | BDVDB-2026-85290 Detail

Kazuho OkuH2O

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#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12017-05-12Record published in the CVE List.
Version 22024-08-06Most recent update recorded in the CVE List.

Published

Published: 2017-05-12
Last modified: 2024-08-06

Vendor information

Vendor: Kazuho Oku
Product: H2O

All Kazuho Oku vulnerabilities

Score

No score available.

EPSS

1.8%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 78.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
versions 2.0.3 and earlier
Fixed
Not stated
Vulnerable
versions 2.1.0-beta2 and earlier
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).