CLEANSTART-2024-CF17535

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    CLEANSTART-2024-CF17535

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2021-38504

    Summary: When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash

    Details: CVE-2021-38504 affects multiple packages. When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. See references for individual vulnerability details.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-CF17535.json, https://osv.dev/vulnerability/CVE-2021-38504, https://nvd.nist.gov/vuln/detail/CVE-2021-38504

    Affected packages

    Package

    Name: firefox

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -94.0-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-CF17535 | CVE-DB