{"id":"USN-8237-1","summary":"webkit2gtk vulnerabilities","details":"Several security issues were discovered in the WebKitGTK Web and JavaScript\nengines. If a user were tricked into viewing a malicious website, a remote\nattacker could exploit a variety of issues related to web browser security,\nincluding cross-site scripting attacks, denial of service attacks, and\narbitrary code execution.","modified":"2026-05-20T16:04:04.435212160Z","published":"2026-05-06T13:29:26Z","related":["UBUNTU-CVE-2025-43213","UBUNTU-CVE-2025-43214","UBUNTU-CVE-2025-43457","UBUNTU-CVE-2025-43511","UBUNTU-CVE-2025-46299","UBUNTU-CVE-2026-20608","UBUNTU-CVE-2026-20635","UBUNTU-CVE-2026-20636","UBUNTU-CVE-2026-20643","UBUNTU-CVE-2026-20644","UBUNTU-CVE-2026-20652","UBUNTU-CVE-2026-20664","UBUNTU-CVE-2026-20665","UBUNTU-CVE-2026-20676","UBUNTU-CVE-2026-20691","UBUNTU-CVE-2026-28857","UBUNTU-CVE-2026-28859","UBUNTU-CVE-2026-28861","UBUNTU-CVE-2026-28871"],"upstream":["UBUNTU-CVE-2025-43213","UBUNTU-CVE-2025-43214","UBUNTU-CVE-2025-43457","UBUNTU-CVE-2025-43511","UBUNTU-CVE-2025-46299","UBUNTU-CVE-2026-20608","UBUNTU-CVE-2026-20635","UBUNTU-CVE-2026-20636","UBUNTU-CVE-2026-20643","UBUNTU-CVE-2026-20644","UBUNTU-CVE-2026-20652","UBUNTU-CVE-2026-20664","UBUNTU-CVE-2026-20665","UBUNTU-CVE-2026-20676","UBUNTU-CVE-2026-20691","UBUNTU-CVE-2026-28857","UBUNTU-CVE-2026-28859","UBUNTU-CVE-2026-28861","UBUNTU-CVE-2026-28871"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8237-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-43213"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-43214"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-43457"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-43511"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-46299"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20608"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20635"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20636"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20643"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20644"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20652"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20664"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20665"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20676"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20691"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28857"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28859"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28861"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28871"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.52.3-0ubuntu0.24.04.1"}]}],"versions":["2.42.1-2","2.42.2-1","2.42.3-1","2.42.4-1","2.43.3-1","2.43.3-1build2","2.44.0-2","2.44.2-0ubuntu0.24.04.1","2.44.2-0ubuntu0.24.04.2","2.44.3-0ubuntu0.24.04.1","2.46.1-0ubuntu0.24.04.1","2.46.3-0ubuntu0.24.04.1","2.46.4-0ubuntu0.24.04.1","2.46.5-0ubuntu0.24.04.1","2.46.6-0ubuntu0.24.04.1","2.48.0-0ubuntu0.24.04.1","2.48.1-0ubuntu0.24.04.1","2.48.3-0ubuntu0.24.04.1","2.48.5-0ubuntu0.24.04.1","2.48.7-0ubuntu0.24.04.2","2.50.1-0ubuntu0.24.04.1","2.50.2-0ubuntu0.24.04.2","2.50.3-0ubuntu0.24.04.1","2.50.4-0ubuntu0.24.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"gir1.2-javascriptcoregtk-4.1"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"gir1.2-javascriptcoregtk-6.0"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"gir1.2-webkit-6.0"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"gir1.2-webkit2-4.1"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"libjavascriptcoregtk-4.1-0"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"libjavascriptcoregtk-6.0-1"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"libjavascriptcoregtk-bin"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"libwebkit2gtk-4.1-0"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"libwebkitgtk-6.0-4"},{"binary_version":"2.52.3-0ubuntu0.24.04.1","binary_name":"webkit2gtk-driver"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8237-1.json","cves_map":{"cves":[{"id":"CVE-2025-43213","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-43214","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-43457","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-43511","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-46299","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20608","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20635","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20636","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20643","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20644","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20652","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20664","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20665","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20676","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20691","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28857","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28859","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28861","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28871","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:24.04:LTS"}}},{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/webkit2gtk?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.52.3-0ubuntu0.25.10.1"}]}],"versions":["2.48.1-1ubuntu1","2.48.2-1ubuntu1","2.48.2-1ubuntu2","2.48.3-1ubuntu2","2.48.6-1ubuntu2","2.50.0-2ubuntu1","2.50.0-2ubuntu1.1","2.50.1-0ubuntu0.25.10.1","2.50.2-0ubuntu0.25.10.2","2.50.3-0ubuntu0.25.10.1","2.50.4-0ubuntu0.25.10.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"gir1.2-javascriptcoregtk-4.1"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"gir1.2-javascriptcoregtk-6.0"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"gir1.2-webkit-6.0"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"gir1.2-webkit2-4.1"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"libjavascriptcoregtk-4.1-0"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"libjavascriptcoregtk-6.0-1"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"libjavascriptcoregtk-bin"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"libwebkit2gtk-4.1-0"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"libwebkitgtk-6.0-4"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"webkit2gtk-driver"},{"binary_version":"2.52.3-0ubuntu0.25.10.1","binary_name":"webkitgtk-webdriver"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8237-1.json","cves_map":{"cves":[{"id":"CVE-2025-43213","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-43214","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-43457","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-43511","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-46299","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20608","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20635","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20636","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20643","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20644","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20652","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20664","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20665","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20676","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-20691","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28857","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28859","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28861","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28871","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:25.10"}}},{"package":{"name":"webkit2gtk","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/webkit2gtk?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.52.3-0ubuntu0.26.04.2"}]}],"versions":["2.48.6-1ubuntu2","2.50.0-2ubuntu1","2.50.1-1ubuntu1","2.50.2-1ubuntu1","2.50.3-1ubuntu1","2.50.4-1ubuntu1","2.51.91-1","2.51.92-1","2.52.0-1"],"ecosystem_specific":{"availability":"No 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