GO-2020-0036

    Dashboard / Vulnerabilities / GO-2020-0036

    GO-2020-0036

    Published: 14 Apr 2021Last Modified: 4 Feb 2026

    Summary: Excessive resource consumption in YAML parsing in gopkg.in/yaml.v2

    Details: Due to unbounded aliasing, a crafted YAML file can cause consumption of significant system resources. If parsing user supplied input, this may be used as a denial of service vector.

    References: https://github.com/go-yaml/yaml/pull/555, https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496

    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
    GO-2020-0036 | CVE-DB