{"id":"USN-4939-1","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":"2026-02-10T04:42:09Z","published":"2021-05-10T11:40:30Z","related":["UBUNTU-CVE-2021-1788","UBUNTU-CVE-2021-1844","UBUNTU-CVE-2021-1871"],"upstream":["CVE-2021-1788","CVE-2021-1844","CVE-2021-1871","UBUNTU-CVE-2021-1788","UBUNTU-CVE-2021-1844","UBUNTU-CVE-2021-1871"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4939-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1788"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1844"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1871"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.32.0-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.0-0ubuntu0.18.04.1"}]}],"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","2.30.6-0ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"gir1.2-javascriptcoregtk-4.0"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"gir1.2-webkit2-4.0"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"libjavascriptcoregtk-4.0-18"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"libjavascriptcoregtk-4.0-dev"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"libwebkit2gtk-4.0-37"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"libwebkit2gtk-4.0-37-gtk2"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"libwebkit2gtk-4.0-dev"},{"binary_version":"2.32.0-0ubuntu0.18.04.1","binary_name":"webkit2gtk-driver"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-1788","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2021-1844","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2021-1871","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4939-1.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.32.0-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.0-0ubuntu0.20.04.1"}]}],"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","2.30.6-0ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"gir1.2-javascriptcoregtk-4.0"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"gir1.2-webkit2-4.0"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"libjavascriptcoregtk-4.0-18"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"libjavascriptcoregtk-4.0-dev"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"libwebkit2gtk-4.0-37"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"libwebkit2gtk-4.0-37-gtk2"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"libwebkit2gtk-4.0-dev"},{"binary_version":"2.32.0-0ubuntu0.20.04.1","binary_name":"webkit2gtk-driver"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-1788","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2021-1844","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2021-1871","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4939-1.json"}}],"schema_version":"1.7.3"}