CLEANSTART-2024-BM21957

    Dashboard / Vulnerabilities / CLEANSTART-2024-BM21957

    CLEANSTART-2024-BM21957

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2021-23986

    Summary: malicious extension with the 'search' permission could have installed a new search engine whose favicon referenced a cross-origin URL

    Details: Security vulnerability affects the librewolf package. A malicious extension with the 'search' permission could have installed a new search engine whose favicon referenced a cross-origin URL.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-BM21957.json, https://osv.dev/vulnerability/CVE-2021-23986, https://nvd.nist.gov/vuln/detail/CVE-2021-23986

    Affected packages

    Package

    Name: librewolf

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -87.0-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