UBUNTU-CVE-2018-5996

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    UBUNTU-CVE-2018-5996

    Published: 31 Jan 2018Last Modified: 24 Oct 2025
    Upstream:
    CVE-2018-5996

    Summary:

    Details: Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

    References: https://ubuntu.com/security/CVE-2018-5996, https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/, https://www.cve.org/CVERecord?id=CVE-2018-5996

    Affected packages

    Package

    Name: p7zip-rar

    Purl: pkg:deb/ubuntu/[email protected]~ds.1-4?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    9.20.1~ds.1-3
    9.20.1~ds.1-4

    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