{"id":"ALPINE-CVE-2021-21775","details":"A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.","modified":"2026-11-03T06:32:31.824231001Z","published":"2021-07-07T22:15:07.960Z","upstream":["CVE-2021-21775"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-21775"}],"affected":[{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}},{"package":{"name":"webkit2gtk","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/webkit2gtk?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.32.3-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-21775.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"}]}