GHSA-wxc4-f4m6-wwqv

    Dashboard / Vulnerabilities / GHSA-wxc4-f4m6-wwqv

    GHSA-wxc4-f4m6-wwqv

    Published: 20 Dec 2021Last Modified: 10 Sept 2026

    Summary: Excessive Platform Resource Consumption within a Loop in Kubernetes

    Details: The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-11254, https://github.com/kubernetes/kubernetes/issues/89535, https://github.com/go-yaml/yaml/pull/555, https://github.com/kubernetes/kubernetes/pull/87467/commits/b86df2bec4f377afc0ca03482ffad2f0a49a83b8, https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496, https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ, https://pkg.go.dev/vuln/GO-2020-0036, https://security.netapp.com/advisory/ntap-20200413-0003

    Affected packages

    Package

    Name: gopkg.in/yaml.v2

    Purl: pkg:golang/gopkg.in/yaml.v2

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.2.8

    Affected versions

    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
    GHSA-wxc4-f4m6-wwqv | CVE-DB