UBUNTU-CVE-2021-27799

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    UBUNTU-CVE-2021-27799

    Published: 26 Feb 2021Last Modified: 20 May 2026
    Upstream:
    CVE-2021-27799

    Summary:

    Details: ean_leading_zeroes in backend/upcean.c in Zint Barcode Generator 2.9.1 has a stack-based buffer overflow that is reachable from the C API through an application that includes the Zint Barcode Generator library code.

    References: https://ubuntu.com/security/CVE-2021-27799, https://sourceforge.net/p/zint/tickets/218/, https://sourceforge.net/p/zint/code/ci/7f8c8114f31c09a986597e0ba63a49f96150368a/, http://zint.org.uk/Manual.aspx?type=p&page=3, http://zint.org.uk/Manual.aspx?type=p&page=4, http://zint.org.uk/Manual.aspx?type=p&page=5, https://www.cve.org/CVERecord?id=CVE-2021-27799

    Affected packages

    Package

    Name: zint

    Purl: pkg:deb/ubuntu/zint?arch=source&distro=jammy

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.9.1-1.1

    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
    UBUNTU-CVE-2021-27799 | CVE-DB