UBUNTU-CVE-2023-40890

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    UBUNTU-CVE-2023-40890

    Published: 29 Aug 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2023-40890
    Aliases:
    USN-7118-1

    Summary:

    Details: A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.

    References: https://ubuntu.com/security/CVE-2023-40890, https://hackmd.io/@cspl/H1PxPAUnn, https://www.cve.org/CVERecord?id=CVE-2023-40890, https://ubuntu.com/security/notices/USN-7118-1

    Affected packages

    Package

    Name: zbar

    Purl: pkg:deb/ubuntu/zbar?arch=source&distro=esm-apps%2Ffocal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.23-1.3ubuntu0.1~esm1

    Affected versions

    0.23-1.1
    0.23-1.2
    0.23-1.3

    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-2023-40890 | CVE-DB