{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T19:01:49.016","vulnerabilities":[{"cve":{"id":"CVE-2023-6936","sourceIdentifier":"facts@wolfssl.com","published":"2024-02-20T22:15:08.197","lastModified":"2025-03-26T17:15:23.757","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In wolfSSL prior to 5.6.6, if callback functions are enabled (via the WOLFSSL_CALLBACKS flag), then a malicious TLS client or network attacker can trigger a buffer over-read on the heap of 5 bytes (WOLFSSL_CALLBACKS is only intended for debugging).\n"},{"lang":"es","value":"En wolfSSL anterior a 5.6.6, si las funciones de devolución de llamada están habilitadas (a través del indicador WOLFSSL_CALLBACKS), entonces un cliente TLS malicioso o un atacante de red puede desencadenar una sobrelectura del búfer en el montón de 5 bytes (WOLFSSL_CALLBACKS solo está destinado a la depuración)."}],"metrics":{"cvssMetricV31":[{"source":"facts@wolfssl.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4},{"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:N/A:H","baseScore":9.1,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.2}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-125"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-126"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*","versionEndExcluding":"5.6.6","matchCriteriaId":"57DCDF61-F982-41D7-83BE-DDAEC85A797A"}]}]}],"references":[{"url":"https://github.com/wolfSSL/wolfssl/pull/6949/","source":"facts@wolfssl.com","tags":["Issue Tracking","Patch"]},{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/","source":"facts@wolfssl.com","tags":["Vendor Advisory"]},{"url":"https://github.com/wolfSSL/wolfssl/pull/6949/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch"]},{"url":"https://www.wolfssl.com/docs/security-vulnerabilities/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}