{"id":"USN-4894-1","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":"2026-04-22T10:13:40.853575Z","published":"2021-03-29T12:57:55Z","related":["UBUNTU-CVE-2020-27918","UBUNTU-CVE-2020-29623","UBUNTU-CVE-2021-1765","UBUNTU-CVE-2021-1789","UBUNTU-CVE-2021-1799","UBUNTU-CVE-2021-1801","UBUNTU-CVE-2021-1870"],"upstream":["CVE-2020-27918","CVE-2020-29623","CVE-2021-1765","CVE-2021-1789","CVE-2021-1799","CVE-2021-1801","CVE-2021-1870","UBUNTU-CVE-2020-27918","UBUNTU-CVE-2020-29623","UBUNTU-CVE-2021-1765","UBUNTU-CVE-2021-1789","UBUNTU-CVE-2021-1799","UBUNTU-CVE-2021-1801","UBUNTU-CVE-2021-1870"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4894-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27918"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-29623"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1765"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1789"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1799"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1801"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1870"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.30.6-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.6-0ubuntu0.18.04.1"}]}],"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","2.20.5-0ubuntu0.18.04.1","2.22.2-0ubuntu0.18.04.1","2.22.2-0ubuntu0.18.04.2","2.22.4-0ubuntu0.18.04.1","2.22.5-0ubuntu0.18.04.1","2.22.6-0ubuntu0.18.04.1","2.24.1-0ubuntu0.18.04.1","2.24.2-0ubuntu0.18.04.1","2.24.4-0ubuntu0.18.04.1","2.26.1-0ubuntu0.18.04.1","2.26.2-0ubuntu0.18.04.1","2.26.3-0ubuntu0.18.04.1","2.26.4-0ubuntu0.18.04.1","2.28.0-0ubuntu0.18.04.3","2.28.1-0ubuntu0.18.04.1","2.28.2-0ubuntu0.18.04.1","2.28.3-0ubuntu0.18.04.1","2.28.4-0ubuntu0.18.04.1","2.30.3-0ubuntu0.18.04.1","2.30.5-0ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-javascriptcoregtk-4.0","binary_version":"2.30.6-0ubuntu0.18.04.1"},{"binary_name":"gir1.2-webkit2-4.0","binary_version":"2.30.6-0ubuntu0.18.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-18","binary_version":"2.30.6-0ubuntu0.18.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-bin","binary_version":"2.30.6-0ubuntu0.18.04.1"},{"binary_name":"libwebkit2gtk-4.0-37","binary_version":"2.30.6-0ubuntu0.18.04.1"},{"binary_name":"libwebkit2gtk-4.0-37-gtk2","binary_version":"2.30.6-0ubuntu0.18.04.1"},{"binary_name":"webkit2gtk-driver","binary_version":"2.30.6-0ubuntu0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2020-27918","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-29623","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1765","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1789","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/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-2021-1799","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1801","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1870","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4894-1.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.30.6-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.6-0ubuntu0.20.04.1"}]}],"versions":["2.26.1-3","2.26.2-1","2.26.3-1ubuntu2","2.26.4-1ubuntu1","2.28.0-1ubuntu2","2.28.1-1","2.28.2-0ubuntu0.20.04.1","2.28.3-0ubuntu0.20.04.1","2.28.4-0ubuntu0.20.04.1","2.30.3-0ubuntu0.20.04.1","2.30.5-0ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"gir1.2-javascriptcoregtk-4.0","binary_version":"2.30.6-0ubuntu0.20.04.1"},{"binary_name":"gir1.2-webkit2-4.0","binary_version":"2.30.6-0ubuntu0.20.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-18","binary_version":"2.30.6-0ubuntu0.20.04.1"},{"binary_name":"libjavascriptcoregtk-4.0-bin","binary_version":"2.30.6-0ubuntu0.20.04.1"},{"binary_name":"libwebkit2gtk-4.0-37","binary_version":"2.30.6-0ubuntu0.20.04.1"},{"binary_name":"libwebkit2gtk-4.0-37-gtk2","binary_version":"2.30.6-0ubuntu0.20.04.1"},{"binary_name":"webkit2gtk-driver","binary_version":"2.30.6-0ubuntu0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-27918","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-29623","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1765","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1789","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/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-2021-1799","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1801","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-1870","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4894-1.json"}}],"schema_version":"1.7.5"}