CVE-2018-5996

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    CVE-2018-5996

    Published: 31 Jan 2018Last Modified: 15 Mar 2026

    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: http://www.securitytracker.com/id/1040831, https://github.com/p7zip-project/p7zip/issues/32, https://github.com/p7zip-project/p7zip/issues/8, https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html, https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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