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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. 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These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.", "The Mozilla Foundation Security Advisory describes this flaw as:\nRace conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities."], "name": "CVE-2023-4049", "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": "2023-08-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-4049\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-4049\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2023-30/#CVE-2023-4049\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2023-31/#CVE-2023-4049\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2023-32/#CVE-2023-4049\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2023-33/#CVE-2023-4049"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Important", "upstream_fix": "thunderbird 102.14, thunderbird 115.1, firefox 102.14, firefox 115.1"}