CVE-2021-22567

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    CVE-2021-22567

    Published: 5 Jan 2022Last Modified: 9 Jul 2026

    Summary:

    Details: Bidirectional Unicode text can be interpreted and compiled differently than how it appears in editors which can be exploited to get nefarious code passed a code review by appearing benign. An attacker could embed a source that is invisible to a code reviewer that modifies the behavior of a program in unexpected ways.

    References: https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md, https://github.com/dart-lang/sdk/commit/52519ea8eb4780c468c4c2ed00e7c8046ccfed41

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3d2629cd0310df74bdf260d828ed3c75f25db889

    Affected versions

    2.14.4
    2.14.3
    2.14.2
    2.14.1
    2.14.0-377.8.beta
    2.14.0
    2.14.0-377.7.beta
    2.14.0-377.4.beta
    2.14.0-377.1.beta
    2.14.0-301.2.beta
    2.14.0-188.5.beta
    2.14.0-188.3.beta
    2.14.0-188.1.beta

    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
    CVE-2021-22567 | CVE-DB