{"id":"CVE-2026-83596","revision":"76c47ceaa8be409aa0a0d626b11f332e","records":[{"revision":"76c47ceaa8be409aa0a0d626b11f332e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-83596","aliases":[],"title":"Webkitgtk: validate the full featurelist array once in opentypeverticaldata findfeature","description":"A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.","state":0,"publishedAt":"2026-08-31T20:46:24.116+00:00","modifiedAt":"2026-09-30T22:56:32.307+00:00","affected":[{"ecosystem":"https://webkit.org/","name":"webkit","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"WebKit\",\n                    \"product\": \"WebKit\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.10.0\",\n                            \"lessThan\": \"*\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageName\": \"webkit\",\n                    \"collectionURL\": \"https://webkit.org/\",\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"https://webkitgtk.org/","name":"webkitgtk","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"WebKitGTK\",\n                    \"product\": \"WebKitGTK\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.10.0\",\n                            \"lessThan\": \"*\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageName\": \"webkitgtk\",\n                    \"collectionURL\": \"https://webkitgtk.org/\",\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"webkit2gtk3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 8\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"webkit2gtk3\",\n                    \"defaultStatus\": \"affected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0:2.54.0-1.el8_10\",\n                            \"lessThan\": \"*\",\n                            \"versionType\": \"rpm\",\n                            \"status\": \"unaffected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:/a:redhat:enterprise_linux:8::appstream\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"webkit2gtk3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 9\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"webkit2gtk3\",\n                    \"defaultStatus\": \"affected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0:2.54.0-1.el9_8\",\n                            \"lessThan\": \"*\",\n                            \"versionType\": \"rpm\",\n                            \"status\": \"unaffected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:/a:redhat:enterprise_linux:9::appstream\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"webkitgtk","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 6\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"webkitgtk\",\n                    \"defaultStatus\": \"unknown\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:6\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"webkitgtk3","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 7\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"webkitgtk3\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:7\"\n                    ]\n                }"},{"ecosystem":"https://access.redhat.com/downloads/content/package-browser/","name":"webkitgtk4","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Red Hat\",\n                    \"product\": \"Red Hat Enterprise Linux 7\",\n                    \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\",\n                    \"packageName\": \"webkitgtk4\",\n                    \"defaultStatus\": \"affected\",\n                    \"cpes\": [\n                        \"cpe:/o:redhat:enterprise_linux:7\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://access.redhat.com/errata/RHSA-2026:69098","https://access.redhat.com/errata/RHSA-2026:74084","https://access.redhat.com/security/cve/CVE-2026-83596","https://bugs.webkit.org/show_bug.cgi?id=322969","https://bugzilla.redhat.com/show_bug.cgi?id=2526490"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-83596","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-83596","identifiers":["CVE-2026-83596"]},"retained":false,"historicalAffected":[]}],"coverage":[]}