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    CVE-2021-33035

    Apache OpenOffice opens dBase/DBF documents and shows the contents as spreadsheets. DBF are database files with data organized in fields. When reading DBF data the size of certain fields is not checked: the data is just copied into local variables. A carefully crafted document could overflow the allocated space, leading to the execution of arbitrary code by altering the contents of the program stack. This issue affects Apache OpenOffice up to and including version 4.1.10

    Published:Sep 23, 2021
    Last Modified:Nov 21, 2024
    EPS:Sep 23, 2021
    EPSS Score:0.22915
    CVSS Score:7.8

    Affected Products

    Vendor
    Apache
    Product
    Openoffice

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2025-64406 (CVSS 4.3) — An out-of-bounds Write vulnerability in Apache OpenOffice could allow an attacker to craft a document that wou…
    CVE-2025-64405 (CVSS 7.5) — Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allo…
    CVE-2025-64404 (CVSS 7.5) — Apache OpenOffice documents can contain links to other files. A missing Authorization vulnerability in Apache …
    CVE-2025-64403 (CVSS 8.1) — Apache OpenOffice Calc spreadsheet can contain links to other files, in the form of "external data sources". A…
    CVE-2025-64402 (CVSS 6.5) — Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allo…
    CVE-2025-64401 (CVSS 7.5) — Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allo…
    CVE-2023-47804 (CVSS 8.8) — Apache OpenOffice documents can contain links that call internal macros with arbitrary arguments. Several URI …
    CVE-2022-47502 (CVSS 7.8) — Apache OpenOffice documents can contain links that call internal macros with arbitrary arguments. Several URI …
    CVE-2022-38745 (CVSS 7.8) — Apache OpenOffice versions before 4.1.14 may be configured to add an empty entry to the Java class path. This …

    References

    http://www.openwall.com/lists/oss-security/2021/10/07/3
    https://github.com/apache/openoffice/commit/efddaef0151af3be16078cc4d88c6bae0f911e56#diff-ea66e734dd358922aba12ad4ba39c96bdc6cbde587d07dbc63d04daa0a30e90f
    https://lists.apache.org/thread.html/r1ab8532e11f41bc7ca057ac7e39cab25f2e1f9d5f4929788ae21c8b9%40%3Cusers.openoffice.apache.org%3E
    https://lists.apache.org/thread.html/r929c0c6a53cad64a1007b878342756badbb05ddd9b8f31a6d0b424cb%40%3Cannounce.apache.org%3E
    http://www.openwall.com/lists/oss-security/2021/10/07/3
    https://github.com/apache/openoffice/commit/efddaef0151af3be16078cc4d88c6bae0f911e56#diff-ea66e734dd358922aba12ad4ba39c96bdc6cbde587d07dbc63d04daa0a30e90f
    https://lists.apache.org/thread.html/r1ab8532e11f41bc7ca057ac7e39cab25f2e1f9d5f4929788ae21c8b9%40%3Cusers.openoffice.apache.org%3E
    https://lists.apache.org/thread.html/r929c0c6a53cad64a1007b878342756badbb05ddd9b8f31a6d0b424cb%40%3Cannounce.apache.org%3E

    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