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{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Christian Holler as the original reporter.", "affected_release": [{"advisory": "RHSA-2021:1350", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:78.10.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1363", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:78.10.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1353", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:78.10.0-1.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1360", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:78.10.0-1.el8_3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1351", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "thunderbird-0:78.10.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1362", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "firefox-0:78.10.0-1.el8_1", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1352", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "thunderbird-0:78.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-04-26T00:00:00Z"}, {"advisory": "RHSA-2021:1361", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "firefox-0:78.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-04-26T00:00:00Z"}], "bugzilla": {"description": "Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads", "id": "1951370", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1951370"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-476", "details": ["The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. *Note: This issue only affected x86-32 platforms. Other platforms are unaffected.*. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88."], "name": "CVE-2021-29945", "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": "2021-04-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-29945\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-29945\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2021-15/#CVE-2021-29945"], "threat_severity": "Moderate", "upstream_fix": "thunderbird 78.10, firefox 78.10"}