{"id":"ALPINE-CVE-2021-30818","details":"A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.","modified":"2026-11-03T06:32:40.294713352Z","published":"2021-10-28T19:15:08.997Z","upstream":["CVE-2021-30818"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-30818"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30818.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30818.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30818.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30818.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.34.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-30818.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}