{
  "cveId": "CVE-2018-12294",
  "url": "https://patchblox.com/security/cve/CVE-2018-12294",
  "summary": "CVE-2018-12294 is fixed in 7 products on 1 platform, first by gir1.2-javascriptcoregtk-4.0 2.20.2-0ubuntu0.18.04.1, released June 19, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "gir1.2-javascriptcoregtk-4.0: WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK\u002B prior to version 2.20.2, is...",
  "description": "WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK\u002B prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.",
  "published": "2018-06-19T14:29:00Z",
  "severity": "Medium",
  "epss": 0.02329,
  "epssPercentile": 0.83621,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "gir1.2-javascriptcoregtk-4.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "gir1.2-javascriptcoregtk-4.0 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "gir1.2-webkit2-4.0",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "gir1.2-webkit2-4.0 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libjavascriptcoregtk-4.0-18",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "libjavascriptcoregtk-4.0-18 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libjavascriptcoregtk-4.0-bin",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "libjavascriptcoregtk-4.0-bin 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebkit2gtk-4.0-37",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "libwebkit2gtk-4.0-37 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libwebkit2gtk-4.0-37-gtk2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "libwebkit2gtk-4.0-37-gtk2 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    },
    {
      "platform": "linux",
      "product": "webkit2gtk-driver",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.20.2-0ubuntu0.18.04.1",
      "fix": "webkit2gtk-driver 2.20.2-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.20.2-0ubuntu0.18.04.1",
      "released": "2018-06-19T14:29:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}