{"id":"USN-8703-1","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":"2026-08-31T22:26:22.372464162Z","published":"2026-08-31T12:46:51Z","related":["UBUNTU-CVE-2026-28847","UBUNTU-CVE-2026-28883","UBUNTU-CVE-2026-28901","UBUNTU-CVE-2026-28902","UBUNTU-CVE-2026-28903","UBUNTU-CVE-2026-28904","UBUNTU-CVE-2026-28905","UBUNTU-CVE-2026-28907","UBUNTU-CVE-2026-28942","UBUNTU-CVE-2026-28946","UBUNTU-CVE-2026-28947","UBUNTU-CVE-2026-28953","UBUNTU-CVE-2026-28955","UBUNTU-CVE-2026-28958","UBUNTU-CVE-2026-28984","UBUNTU-CVE-2026-39872","UBUNTU-CVE-2026-43658","UBUNTU-CVE-2026-43660","UBUNTU-CVE-2026-43663","UBUNTU-CVE-2026-43676","UBUNTU-CVE-2026-43699","UBUNTU-CVE-2026-43701","UBUNTU-CVE-2026-43705","UBUNTU-CVE-2026-43707","UBUNTU-CVE-2026-43712","UBUNTU-CVE-2026-43713","UBUNTU-CVE-2026-43715","UBUNTU-CVE-2026-43716","UBUNTU-CVE-2026-43720","UBUNTU-CVE-2026-43721","UBUNTU-CVE-2026-43725","UBUNTU-CVE-2026-43726","UBUNTU-CVE-2026-43727","UBUNTU-CVE-2026-43731","UBUNTU-CVE-2026-43732","UBUNTU-CVE-2026-43734","UBUNTU-CVE-2026-43740","UBUNTU-CVE-2026-43742","UBUNTU-CVE-2026-43745","UBUNTU-CVE-2026-43804","UBUNTU-CVE-2026-64713","UBUNTU-CVE-2026-64719","UBUNTU-CVE-2026-64728","UBUNTU-CVE-2026-64730","UBUNTU-CVE-2026-64757","UBUNTU-CVE-2026-64783","UBUNTU-CVE-2026-64787"],"upstream":["CVE-2026-28847","CVE-2026-28883","CVE-2026-28901","CVE-2026-28902","CVE-2026-28903","CVE-2026-28904","CVE-2026-28905","CVE-2026-28907","CVE-2026-28942","CVE-2026-28946","CVE-2026-28947","CVE-2026-28953","CVE-2026-28955","CVE-2026-28958","CVE-2026-28984","CVE-2026-39872","CVE-2026-43658","CVE-2026-43660","CVE-2026-43663","CVE-2026-43676","CVE-2026-43699","CVE-2026-43701","CVE-2026-43705","CVE-2026-43707","CVE-2026-43712","CVE-2026-43713","CVE-2026-43715","CVE-2026-43716","CVE-2026-43720","CVE-2026-43721","CVE-2026-43725","CVE-2026-43726","CVE-2026-43727","CVE-2026-43731","CVE-2026-43732","CVE-2026-43734","CVE-2026-43740","CVE-2026-43742","CVE-2026-43745","CVE-2026-43804","CVE-2026-64713","CVE-2026-64719","CVE-2026-64728","CVE-2026-64730","CVE-2026-64757","CVE-2026-64783","CVE-2026-64787","UBUNTU-CVE-2026-28847","UBUNTU-CVE-2026-28883","UBUNTU-CVE-2026-28901","UBUNTU-CVE-2026-28902","UBUNTU-CVE-2026-28903","UBUNTU-CVE-2026-28904","UBUNTU-CVE-2026-28905","UBUNTU-CVE-2026-28907","UBUNTU-CVE-2026-28942","UBUNTU-CVE-2026-28946","UBUNTU-CVE-2026-28947","UBUNTU-CVE-2026-28953","UBUNTU-CVE-2026-28955","UBUNTU-CVE-2026-28958","UBUNTU-CVE-2026-28984","UBUNTU-CVE-2026-39872","UBUNTU-CVE-2026-43658","UBUNTU-CVE-2026-43660","UBUNTU-CVE-2026-43663","UBUNTU-CVE-2026-43676","UBUNTU-CVE-2026-43699","UBUNTU-CVE-2026-43701","UBUNTU-CVE-2026-43705","UBUNTU-CVE-2026-43707","UBUNTU-CVE-2026-43712","UBUNTU-CVE-2026-43713","UBUNTU-CVE-2026-43715","UBUNTU-CVE-2026-43716","UBUNTU-CVE-2026-43720","UBUNTU-CVE-2026-43721","UBUNTU-CVE-2026-43725","UBUNTU-CVE-2026-43726","UBUNTU-CVE-2026-43727","UBUNTU-CVE-2026-43731","UBUNTU-CVE-2026-43732","UBUNTU-CVE-2026-43734","UBUNTU-CVE-2026-43740","UBUNTU-CVE-2026-43742","UBUNTU-CVE-2026-43745","UBUNTU-CVE-2026-43804","UBUNTU-CVE-2026-64713","UBUNTU-CVE-2026-64719","UBUNTU-CVE-2026-64728","UBUNTU-CVE-2026-64730","UBUNTU-CVE-2026-64757","UBUNTU-CVE-2026-64783","UBUNTU-CVE-2026-64787"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8703-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28847"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28883"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28901"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28902"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28903"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28904"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28905"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28907"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28942"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28946"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28947"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28953"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28955"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28958"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-28984"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-39872"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43658"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43660"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43663"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43676"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43699"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43701"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43705"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43707"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43712"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43713"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43715"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43716"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43720"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43721"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43725"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43726"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43727"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43731"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43732"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43734"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43740"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43742"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43745"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-43804"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64713"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64719"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64728"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64730"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64757"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64783"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-64787"}],"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":"2.52.6-0ubuntu0.24.04.1"}]}],"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","2.52.3-0ubuntu0.24.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.52.6-0ubuntu0.24.04.1","binary_name":"gir1.2-javascriptcoregtk-4.1"},{"binary_version":"2.52.6-0ubuntu0.24.04.1","binary_name":"gir1.2-javascriptcoregtk-6.0"},{"binary_name":"gir1.2-webkit-6.0","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_name":"gir1.2-webkit2-4.1","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_version":"2.52.6-0ubuntu0.24.04.1","binary_name":"libjavascriptcoregtk-4.0-bin"},{"binary_name":"libjavascriptcoregtk-4.1-0","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_name":"libjavascriptcoregtk-6.0-1","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_name":"libjavascriptcoregtk-bin","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_name":"libwebkit2gtk-4.1-0","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_name":"libwebkitgtk-6.0-4","binary_version":"2.52.6-0ubuntu0.24.04.1"},{"binary_version":"2.52.6-0ubuntu0.24.04.1","binary_name":"webkit2gtk-driver"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-28847","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28883","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"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-2026-28901","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","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"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28902","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28903","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":"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-2026-28904","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"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"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-28905"},{"id":"CVE-2026-28907","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28942","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-28946","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":"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"}]},{"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":"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-2026-28947"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-28953"},{"id":"CVE-2026-28955","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2026-28958","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-28984","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-39872","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-2026-43658","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"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"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-43660"},{"id":"CVE-2026-43663","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43676","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-43699","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-43701","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43705","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-43707","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"}]},{"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-2026-43712"},{"id":"CVE-2026-43713","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-43715","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-20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