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    CVE-2021-4235

    Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

    Published:Dec 27, 2022
    Last Modified:Apr 11, 2025
    EPS:Dec 27, 2022
    EPSS Score:0.00029
    CVSS Score:5.5

    Affected Products

    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift Data Foundation
    Vendor
    Yaml Project
    Product
    Yaml

    Exploits

    https://github.com/go-yaml/yaml/pull/375https://github.com/go-yaml/yaml/pull/375

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    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