{"id":"CLSA-2026-1782216821","summary":"webkit2gtk3: Fix of 16 CVEs","details":"- CVE-2026-28907: align ContentSecurityPolicySource::pathMatches() with the CSP3\n  path-matching algorithm to prevent path-traversal CSP bypass (WebKit bug 308675)\n- CVE-2026-43660: preserve all CSP policies when a blob: URL inherits from a page\n  that sent multiple CSP headers (WebKit bug 308906)\n- CVE-2026-28958: pass the initiator when computing SameSite info in\n  FrameLoader::load to prevent SameSite=Strict cookie cross-site leakage (WebKit bug 311228)","modified":"2026-10-26T09:43:20.056872229Z","published":"2026-06-23T12:14:16Z","upstream":["CVE-2026-28907","CVE-2026-28958","CVE-2026-43660"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1782216821.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28847"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28883"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28901"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28902"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28903"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28904"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28905"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28907"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28942"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28946"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28947"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28953"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28955"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28958"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43658"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43660"}],"affected":[{"package":{"name":"webkit2gtk3","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/webkit2gtk3?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.50.6-1.el9_6.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1782216821.json"}},{"package":{"name":"webkit2gtk3-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/webkit2gtk3-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.50.6-1.el9_6.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1782216821.json"}},{"package":{"name":"webkit2gtk3-jsc","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/webkit2gtk3-jsc?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.50.6-1.el9_6.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1782216821.json"}},{"package":{"name":"webkit2gtk3-jsc-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/webkit2gtk3-jsc-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.50.6-1.el9_6.tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1782216821.json"}}],"schema_version":"1.9.0"}