CVE-2016-4864

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    CVE-2016-4864

    Published: 12 May 2017Last Modified: 7 Aug 2026

    Summary:

    Details: 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.

    References: https://jvn.jp/en/jp/JVN94779084/index.html, https://github.com/h2o/h2o/issues/1077

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 788d3dcf683f65acc43a0dd81a75d697574b7656
    Fixed -None

    Affected versions

    2.1.0
    2.1.0-beta1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High