CVE-2021-38496

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{"affected_release": [{"advisory": "RHSA-2021:3791", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:91.2.0-4.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-10-12T00:00:00Z"}, {"advisory": "RHSA-2021:3841", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:91.2.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-10-13T00:00:00Z"}, {"advisory": "RHSA-2021:3755", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:91.2.0-4.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-10-11T00:00:00Z"}, {"advisory": "RHSA-2021:3838", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:91.2.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-10-13T00:00:00Z"}, {"advisory": "RHSA-2021:3757", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "firefox-0:91.2.0-4.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-10-11T00:00:00Z"}, {"advisory": "RHSA-2021:3840", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "thunderbird-0:91.2.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-10-13T00:00:00Z"}, {"advisory": "RHSA-2021:3756", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "firefox-0:91.2.0-4.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-10-11T00:00:00Z"}, {"advisory": "RHSA-2021:3839", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "thunderbird-0:91.2.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-10-13T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Use-after-free in MessageTask", "id": "2011097", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2011097"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93."], "name": "CVE-2021-38496", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}], "public_date": "2021-10-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-38496\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-38496"], "threat_severity": "Important"}

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