Show plain JSON{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1700690", "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1700690", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2021-15/", "name": "https://www.mozilla.org/security/advisories/mfsa2021-15/", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2021-16/", "name": "https://www.mozilla.org/security/advisories/mfsa2021-16/", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2021-14/", "name": "https://www.mozilla.org/security/advisories/mfsa2021-14/", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-682"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-29945", "ASSIGNER": "security@mozilla.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2021-06-24T14:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:x86:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "88.0"}, {"cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:x86:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "78.10"}, {"cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:x86:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "78.10"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-06-30T19:01Z"}