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Algunos de estos bugs mostraron evidencia de corrupción de la memoria y presumimos que con suficiente esfuerzo algunos de estos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 68.9.0, Firefox versiones anteriores a 77 y Firefox ESR versiones anteriores a 68.9"}],"affected":[{"source":"security@mozilla.org","affectedData":[{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","lessThan":"68.9.0","versionType":"custom","status":"affected"}]},{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","lessThan":"77","versionType":"custom","status":"affected"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","lessThan":"68.9","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","baseScore":9.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.6,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*","versionEndExcluding":"76.0","matchCriteriaId":"5D1E5067-8D55-4C70-B5D2-31BAB1D22F50"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*","versionEndExcluding":"68.8.0","matchCriteriaId":"B606E5B1-C0CA-4673-9FBA-59E0C869F2C4"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*","matchCriteriaId":"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*","matchCriteriaId":"A31C8344-3E02-4EB8-8BD8-4C84B7959624"},{"vulnerable":true,"criteria":"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*","matchCriteriaId":"902B8056-9E37-443B-8905-8AA93E2447FB"}]}]}],"references":[{"url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1619305%2C1632717","source":"security@mozilla.org","tags":["Issue Tracking","Vendor Advisory"]},{"url":"https://usn.ubuntu.com/4421-1/","source":"security@mozilla.org","tags":["Third Party Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-20/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-21/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-22/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https://bugzilla.mozilla.org/buglist.cgi?bug_id=1619305%2C1632717","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Vendor Advisory"]},{"url":"https://usn.ubuntu.com/4421-1/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-20/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-21/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2020-22/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}