CLEANSTART-2024-EQ02730

    Dashboard / Vulnerabilities / CLEANSTART-2024-EQ02730

    CLEANSTART-2024-EQ02730

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2021-23953

    Summary: If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data

    Details: Security vulnerability affects the firefox-esr package. If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2024/CLEANSTART-2024-EQ02730.json, https://osv.dev/vulnerability/CVE-2021-23953, https://nvd.nist.gov/vuln/detail/CVE-2021-23953

    Affected packages

    Package

    Name: firefox-esr

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -78.7.0-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-EQ02730 | CVE-DB