UBUNTU-CVE-2016-9643

    Dashboard / Vulnerabilities / UBUNTU-CVE-2016-9643

    UBUNTU-CVE-2016-9643

    Published: 7 Mar 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2016-9643
    Aliases:
    USN-3257-1

    Summary:

    Details: The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).

    References: https://ubuntu.com/security/CVE-2016-9643, http://www.openwall.com/lists/oss-security/2016/11/26/5, https://www.webkitgtk.org/security/WSA-2017-0003.html, https://ubuntu.com/security/notices/USN-3257-1, https://www.cve.org/CVERecord?id=CVE-2016-9643

    Affected packages

    Package

    Name: webkit2gtk

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.16.1-0ubuntu0.16.04.1

    Affected versions

    2.8.5+dfsg1-3

    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