{"id":"USN-3743-1","summary":"webkit2gtk vulnerabilities","details":"A large number of security issues were discovered in the WebKitGTK+ Web and\nJavaScript engines. If a user were tricked into viewing a malicious\nwebsite, a remote attacker could exploit a variety of issues related to web\nbrowser security, including cross-site scripting attacks, denial of service\nattacks, and arbitrary code execution.\n","modified":"2026-02-10T04:41:23Z","published":"2018-08-16T12:57:54Z","related":["UBUNTU-CVE-2018-12911","UBUNTU-CVE-2018-4246","UBUNTU-CVE-2018-4261","UBUNTU-CVE-2018-4262","UBUNTU-CVE-2018-4263","UBUNTU-CVE-2018-4264","UBUNTU-CVE-2018-4265","UBUNTU-CVE-2018-4266","UBUNTU-CVE-2018-4267","UBUNTU-CVE-2018-4270","UBUNTU-CVE-2018-4272","UBUNTU-CVE-2018-4273","UBUNTU-CVE-2018-4278","UBUNTU-CVE-2018-4284"],"upstream":["CVE-2018-12911","CVE-2018-4246","CVE-2018-4261","CVE-2018-4262","CVE-2018-4263","CVE-2018-4264","CVE-2018-4265","CVE-2018-4266","CVE-2018-4267","CVE-2018-4270","CVE-2018-4272","CVE-2018-4273","CVE-2018-4278","CVE-2018-4284","UBUNTU-CVE-2018-12911","UBUNTU-CVE-2018-4246","UBUNTU-CVE-2018-4261","UBUNTU-CVE-2018-4262","UBUNTU-CVE-2018-4263","UBUNTU-CVE-2018-4264","UBUNTU-CVE-2018-4265","UBUNTU-CVE-2018-4266","UBUNTU-CVE-2018-4267","UBUNTU-CVE-2018-4270","UBUNTU-CVE-2018-4272","UBUNTU-CVE-2018-4273","UBUNTU-CVE-2018-4278","UBUNTU-CVE-2018-4284"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3743-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4246"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4261"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4262"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4263"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4264"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4265"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4266"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4267"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4270"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4272"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4273"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4278"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-4284"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-12911"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.20.5-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.5-0ubuntu0.16.04.1"}]}],"versions":["2.8.5+dfsg1-3","2.10.3+dfsg1-1","2.10.4+dfsg1-1","2.10.5-1","2.10.6-1","2.10.6-1ubuntu1","2.10.8-1ubuntu1","2.10.9-1ubuntu1","2.12.5-0ubuntu0.16.04.1","2.14.2-0ubuntu0.16.04.1","2.14.3-0ubuntu0.16.04.1","2.14.5-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.1","2.16.1-0ubuntu0.16.04.2","2.16.2-0ubuntu0.16.04.1","2.16.3-0ubuntu0.16.04.1","2.16.6-0ubuntu0.16.04.1","2.18.0-0ubuntu0.16.04.2","2.18.3-0ubuntu0.16.04.1","2.18.4-0ubuntu0.16.04.1","2.18.5-0ubuntu0.16.04.1","2.18.6-0ubuntu0.16.04.1","2.20.1-0ubuntu0.16.04.1","2.20.2-0ubuntu0.16.04.1","2.20.3-0ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-javascriptcoregtk-4.0","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"gir1.2-webkit2-4.0","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-18","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-bin","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-dev","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"libwebkit2gtk-4.0-37","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"libwebkit2gtk-4.0-37-gtk2","binary_version":"2.20.5-0ubuntu0.16.04.1"},{"binary_name":"libwebkit2gtk-4.0-dev","binary_version":"2.20.5-0ubuntu0.16.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3743-1.json","cves_map":{"cves":[{"id":"CVE-2018-4246","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4261","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4262","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4263","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4264","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4265","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4266","severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4267","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4270","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4272","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4273","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4278","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4284","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-12911","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.20.5-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.20.5-0ubuntu0.18.04.1"}]}],"versions":["2.18.0-2","2.18.0-2build1","2.18.2-1","2.18.3-1","2.18.4-1","2.18.6-1","2.19.91-1ubuntu1","2.19.92-1","2.20.0-1","2.20.0-2","2.20.0-2ubuntu1","2.20.1-1","2.20.2-0ubuntu0.18.04.1","2.20.3-0ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-javascriptcoregtk-4.0","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"gir1.2-webkit2-4.0","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-18","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-bin","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-dev","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"libwebkit2gtk-4.0-37","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"libwebkit2gtk-4.0-37-gtk2","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"libwebkit2gtk-4.0-dev","binary_version":"2.20.5-0ubuntu0.18.04.1"},{"binary_name":"webkit2gtk-driver","binary_version":"2.20.5-0ubuntu0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3743-1.json","cves_map":{"cves":[{"id":"CVE-2018-4246","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4261","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4262","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4263","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4264","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4265","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4266","severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4267","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4270","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4272","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4273","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4278","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-4284","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2018-12911","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}