UBUNTU-CVE-2018-12293

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    UBUNTU-CVE-2018-12293

    Published: 14 Jun 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-12293
    Aliases:
    USN-3687-1

    Summary:

    Details: The getImageData function in the ImageBufferCairo class in WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1, is vulnerable to a heap-based buffer overflow triggered by an integer overflow, which could be abused by crafted HTML content.

    References: https://ubuntu.com/security/CVE-2018-12293, https://webkitgtk.org/security/WSA-2018-0005.html, https://ubuntu.com/security/notices/USN-3687-1, https://www.cve.org/CVERecord?id=CVE-2018-12293

    Affected packages

    Package

    Name: webkit2gtk

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.20.3-0ubuntu0.16.04.1

    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