{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2021-29985", "ASSIGNER": "security@mozilla.org", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Mozilla", "product": { "product_data": [ { "product_name": "Thunderbird", "version": { "version_data": [ { "version_value": "78.13", "version_affected": "<" }, { "version_value": "91", "version_affected": "<" } ] } }, { "product_name": "Firefox ESR", "version": { "version_data": [ { "version_value": "78.13", "version_affected": "<" } ] } }, { "product_name": "Firefox", "version": { "version_data": [ { "version_value": "91", "version_affected": "<" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Use-after-free media channels" } ] } ] }, "references": { "reference_data": [ { "url": "https://www.mozilla.org/security/advisories/mfsa2021-33/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2021-33/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2021-35/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2021-35/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2021-34/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2021-34/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2021-36/", "refsource": "MISC", "name": "https://www.mozilla.org/security/advisories/mfsa2021-36/" }, { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1722083", "refsource": "MISC", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1722083" }, { "refsource": "GENTOO", "name": "GLSA-202202-03", "url": "https://security.gentoo.org/glsa/202202-03" }, { "refsource": "GENTOO", "name": "GLSA-202208-14", "url": "https://security.gentoo.org/glsa/202208-14" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91." } ] } }