{"id":"USN-5255-1","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":"2026-03-09T11:19:16.491332Z","published":"2022-01-27T17:34:15Z","related":["UBUNTU-CVE-2021-30934","UBUNTU-CVE-2021-30936","UBUNTU-CVE-2021-30951","UBUNTU-CVE-2021-30952","UBUNTU-CVE-2021-30953","UBUNTU-CVE-2021-30954","UBUNTU-CVE-2021-30984"],"upstream":["CVE-2021-30934","CVE-2021-30936","CVE-2021-30951","CVE-2021-30952","CVE-2021-30953","CVE-2021-30954","CVE-2021-30984","UBUNTU-CVE-2021-30934","UBUNTU-CVE-2021-30936","UBUNTU-CVE-2021-30951","UBUNTU-CVE-2021-30952","UBUNTU-CVE-2021-30953","UBUNTU-CVE-2021-30954","UBUNTU-CVE-2021-30984"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5255-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30934"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30936"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30951"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30952"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30953"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30954"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30984"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk@2.34.4-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34.4-0ubuntu0.20.04.1"}]}],"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","2.32.0-0ubuntu0.20.04.1","2.32.3-0ubuntu0.20.04.1","2.32.4-0ubuntu0.20.04.1","2.34.1-0ubuntu0.20.04.1","2.34.3-0ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"gir1.2-javascriptcoregtk-4.0"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"gir1.2-webkit2-4.0"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"libjavascriptcoregtk-4.0-18"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"libjavascriptcoregtk-4.0-dev"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"libwebkit2gtk-4.0-37"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"libwebkit2gtk-4.0-37-gtk2"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"libwebkit2gtk-4.0-dev"},{"binary_version":"2.34.4-0ubuntu0.20.04.1","binary_name":"webkit2gtk-driver"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-30934","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-2021-30936","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-2021-30951","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-2021-30952","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/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":"Ubuntu","score":"medium"}]},{"id":"CVE-2021-30953","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-2021-30954","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2021-30984","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5255-1.json"}}],"schema_version":"1.7.3"}