CVE-2020-27819

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    CVE-2020-27819

    Published: 23 Feb 2021Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.

    References: https://bugzilla.redhat.com/show_bug.cgi?id=1903296

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -448240067919707eb95fb009f76f3fdb439b1427

    Affected versions

    v1.6.2-rc0
    v1.6.1
    v1.6.0
    v1.6.0-rc0

    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
    CVE-2020-27819 | CVE-DB