UBUNTU-CVE-2018-7731

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-7731

    UBUNTU-CVE-2018-7731

    Published: 6 Mar 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-7731
    Aliases:
    USN-3668-1

    Summary:

    Details: An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.

    References: https://ubuntu.com/security/CVE-2018-7731, https://ubuntu.com/security/notices/USN-3668-1, https://www.cve.org/CVERecord?id=CVE-2018-7731

    Affected packages

    Package

    Name: exempi

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.5-2

    Affected versions

    2.4.3-1ubuntu1

    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-2018-7731 | CVE-DB