CLEANSTART-2025-GV47866

    Dashboard / Vulnerabilities / CLEANSTART-2025-GV47866

    CLEANSTART-2025-GV47866

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2021-25635

    Summary: Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature alg...

    Details: Security vulnerability affects the libreoffice package. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly pre....

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2025/CLEANSTART-2025-GV47866.json, https://osv.dev/vulnerability/CVE-2021-25635, https://nvd.nist.gov/vuln/detail/CVE-2021-25635

    Affected packages

    Package

    Name: libreoffice

    Purl: pkg:apk/cleanstart/libreoffice

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.2.2.2-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-2025-GV47866 | CVE-DB