{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2020-26972", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Firefox", "version": { "version_data": [ { "version_value": "84", "version_affected": "<" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Use-After-Free in WebGL" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2020-54/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2020-54/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1671382", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1671382" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84." } ] } }