CLEANSTART-2024-FC55315

    Dashboard / Vulnerabilities / CLEANSTART-2024-FC55315

    CLEANSTART-2024-FC55315

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2020-26967

    Summary: When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page

    Details: Security vulnerability affects the librewolf package. When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-FC55315.json, https://osv.dev/vulnerability/CVE-2020-26967, https://nvd.nist.gov/vuln/detail/CVE-2020-26967

    Affected packages

    Package

    Name: librewolf

    Purl: pkg:apk/cleanstart/librewolf?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-FC55315 | CVE-DB