{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-14T17:38:21.186","vulnerabilities":[{"cve":{"id":"CVE-2025-1020","sourceIdentifier":"security@mozilla.org","published":"2025-02-04T14:15:32.953","lastModified":"2026-04-13T15:16:51.213","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Memory safety bugs present in Firefox 134 and Thunderbird 134. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 135 and Thunderbird 135."},{"lang":"es","value":"Errores de seguridad de memoria presentes en Firefox 134 y Thunderbird 134. Algunos de estos errores mostraron evidencia de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. Esta vulnerabilidad afecta a Firefox < 135 y Thunderbird < 135."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*","versionEndExcluding":"135.0","matchCriteriaId":"C08017D5-BBC7-4E01-92D2-CE2E2ED9453A"},{"vulnerable":true,"criteria":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*","versionStartIncluding":"131.0","versionEndExcluding":"135.0","matchCriteriaId":"B5DC3260-2056-4C30-BCBA-AD45537FF0F5"}]}]}],"references":[{"url":"https:\/\/bugzilla.mozilla.org\/buglist.cgi?bug_id=1939063%2C1942169","source":"security@mozilla.org","tags":["Broken Link"]},{"url":"https:\/\/www.mozilla.org\/security\/advisories\/mfsa2025-07\/","source":"security@mozilla.org","tags":["Vendor Advisory"]},{"url":"https:\/\/www.mozilla.org\/security\/advisories\/mfsa2025-11\/","source":"security@mozilla.org","tags":["Vendor Advisory"]}]}}]}