CLEANSTART-2024-YV21759

    Dashboard / Vulnerabilities / CLEANSTART-2024-YV21759

    CLEANSTART-2024-YV21759

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2020-26958

    Summary: Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker

    Details: CVE-2020-26958 affects multiple packages. Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. See references for individual vulnerability details.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-YV21759.json, https://osv.dev/vulnerability/CVE-2020-26958, https://nvd.nist.gov/vuln/detail/CVE-2020-26958

    Affected packages

    Package

    Name: firefox

    Purl: pkg:apk/cleanstart/firefox?arch=x86_64

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -83.0-r0

    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
    CLEANSTART-2024-YV21759 | CVE-DB