UBUNTU-CVE-2017-9438

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    UBUNTU-CVE-2017-9438

    Published: 5 Jun 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-9438
    Aliases:
    USN-8080-1

    Summary:

    Details: libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.

    References: https://ubuntu.com/security/CVE-2017-9438, https://github.com/VirusTotal/yara/issues/674, https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7, https://www.cve.org/CVERecord?id=CVE-2017-9438, https://ubuntu.com/security/notices/USN-8080-1

    Affected packages

    Package

    Name: yara

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4.0+dfsg-2ubuntu0.1~esm1

    Affected versions

    3.4.0+dfsg-2
    3.4.0+dfsg-2build1

    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-2017-9438 | CVE-DB