CVE-2020-1920

    Dashboard / Vulnerabilities / CVE-2020-1920

    CVE-2020-1920

    Published: 1 Jun 2021Last Modified: 27 Aug 2026

    Summary:

    Details: A regular expression denial of service (ReDoS) vulnerability in the validateBaseUrl function can cause the application to use excessive resources, become unresponsive, or crash. This was introduced in react-native version 0.59.0 and fixed in version 0.64.1.

    References: https://github.com/facebook/react-native/releases/tag/v0.64.1, https://github.com/facebook/react-native/commit/ca09ae82715e33c9ac77b3fa55495cf84ba891c7

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 7c73f2bb5a0f97902f469bc043681e79e161aac3
    Fixed -787567a15014c73b87353b7d418c064c5643e7cc

    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
    CVE-2020-1920 | CVE-DB