{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-10-01T15:45:22.235","vulnerabilities":[{"cve":{"id":"CVE-2026-34877","sourceIdentifier":"cve@mitre.org","published":"2026-04-02T17:16:26.927","lastModified":"2026-07-24T21:10:00.143","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary code execution. This is caused by Incorrect Use of Privileged APIs."},{"lang":"es","value":"Se descubrió un problema en las versiones de Mbed TLS desde la 2.19.0 hasta la 3.6.5, y en Mbed TLS 4.0.0. La protección insuficiente de las estructuras de contexto SSL o de sesión serializadas permite a un atacante que puede modificar las estructuras serializadas inducir corrupción de memoria, lo que lleva a ejecución de código arbitrario. Esto es causado por el Uso Incorrecto de APIs Privilegiadas."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"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}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-02T17:51:48.970447Z","id":"CVE-2026-34877","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-250"},{"lang":"en","value":"CWE-502"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*","versionStartIncluding":"2.19.0","versionEndExcluding":"3.6.6","matchCriteriaId":"60B71009-7D02-4B21-AB91-F0B821214B20"},{"vulnerable":true,"criteria":"cpe:2.3:a:trustedfirmware:mbed_tls:4.0.0:*:*:*:*:*:*:*","matchCriteriaId":"26ECBD35-D500-4CF2-A7F5-0C91A5F39274"}]}]}],"references":[{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-serialized-data/","source":"cve@mitre.org","tags":["Vendor Advisory"]}]}}]}