CVE-2021-23364

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    CVE-2021-23364

    Published: 28 Apr 2021Last Modified: 15 Jul 2026

    Summary:

    Details: The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

    References: https://github.com/browserslist/browserslist/blob/e82f32d1d4100d6bc79ea0b6b6a2d281a561e33c/index.js%23L472-L474, https://github.com/browserslist/browserslist/pull/593, https://github.com/browserslist/browserslist/commit/c091916910dfe0b5fd61caad96083c6709b02d98, https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1277182, https://snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 2a66017404213d054c39bfdf75e8d34ebe278cac
    Fixed -7cc2aedd0047d800d44aa0259c02b6db1414105c

    Affected versions

    4.16.4
    4.16.3
    4.16.2
    4.16.1
    4.16.0

    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-2021-23364 | CVE-DB