UBUNTU-CVE-2018-18584

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    UBUNTU-CVE-2018-18584

    Published: 22 Oct 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-18584

    Summary:

    Details: In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.

    References: https://ubuntu.com/security/CVE-2018-18584, https://www.openwall.com/lists/oss-security/2018/10/22/1, https://www.cabextract.org.uk/#changes, https://ubuntu.com/security/notices/USN-3814-1, https://ubuntu.com/security/notices/USN-3814-2, https://ubuntu.com/security/notices/USN-3814-3, https://www.cve.org/CVERecord?id=CVE-2018-18584

    Affected packages

    Package

    Name: clamav

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu0.14.04.2?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.100.2+dfsg-1ubuntu0.14.04.2

    Affected versions

    0.97.8+dfsg-1ubuntu4
    0.97.8+dfsg-1ubuntu5

    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