GHSA-p4pj-mg4r-x6v4

    Dashboard / Vulnerabilities / GHSA-p4pj-mg4r-x6v4

    GHSA-p4pj-mg4r-x6v4

    Published: 2 Feb 2021Last Modified: 8 Jul 2026

    Summary: Denial of Service in uap-core

    Details: ## Impact Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings. ## Patches Please update uap-core to >= v0.11.0 Downstream packages such as uap-python, uap-ruby etc which depend upon uap-core follow different version schemes.

    References: https://github.com/ua-parser/uap-core/security/advisories/GHSA-p4pj-mg4r-x6v4, https://nvd.nist.gov/vuln/detail/CVE-2021-21317, https://github.com/ua-parser/uap-core/commit/dc9925d458214cfe87b93e35346980612f6ae96c, https://github.com/ua-parser/uap-core, https://www.npmjs.com/package/uap-core

    Affected packages

    Package

    Name: uap-core

    Purl: pkg:npm/uap-core

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.11.0

    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
    GHSA-p4pj-mg4r-x6v4 | CVE-DB