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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Bruno Keith via Beyond Security's SecuriTeam Secure Disclosure program and Niklas Baumstark as the original reporters.", "affected_release": [{"advisory": "RHSA-2018:2881", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:60.2.2-1.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-10-08T00:00:00Z"}, {"advisory": "RHSA-2018:2884", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:60.2.2-1.el7_5", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-08T00:00:00Z"}], "bugzilla": {"description": "Mozilla: stack out-of-bounds read in Array.prototype.push", "id": "1635452", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1635452"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3."], "name": "CVE-2018-12387", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2018-10-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-12387\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-12387\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2018-24/#CVE-2018-12387"], "threat_severity": "Critical"}