CLEANSTART-2024-XP77487

    Dashboard / Vulnerabilities / CLEANSTART-2024-XP77487

    CLEANSTART-2024-XP77487

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2021-29961

    Summary: When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface

    Details: Security vulnerability affects the firefox package. When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-XP77487.json, https://osv.dev/vulnerability/CVE-2021-29961, https://nvd.nist.gov/vuln/detail/CVE-2021-29961

    Affected packages

    Package

    Name: firefox

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -89.0-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-XP77487 | CVE-DB