{"id":"ALPINE-CVE-2021-1820","details":"A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.","modified":"2026-11-03T06:32:26.727901475Z","published":"2021-09-08T15:15:09.993Z","upstream":["CVE-2021-1820"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-1820"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.30.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-1820.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:N/A:N"}]}