2 lines
4.4 KiB
JSON
2 lines
4.4 KiB
JSON
{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"wolfssl","programFiles":["src/ssl_sess.c"],"programRoutines":[{"name":"wolfSSL_d2i_SSL_SESSION"}],"repo":"https://github.com/wolfSSL/wolfssl","vendor":"wolfssl","versions":[{"lessThanOrEqual":"5.8.4","status":"affected","version":"0","versionType":"semver"}]}],"source":"facts@wolfssl.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*","matchCriteriaId":"DA3FA1CB-CEDC-4D49-9ECD-99BBF1602312","versionEndExcluding":"5.9.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A heap-buffer-overflow vulnerability exists in wolfSSL's wolfSSL_d2i_SSL_SESSION() function. When deserializing session data with SESSION_CERTS enabled, certificate and session id lengths are read from an untrusted input without bounds validation, allowing an attacker to overflow fixed-size buffers and corrupt heap memory. A maliciously crafted session would need to be loaded from an external source to trigger this vulnerability. Internal sessions were not vulnerable."},{"lang":"es","value":"Una vulnerabilidad de desbordamiento de búfer de montón existe en la función wolfSSL_d2i_SSL_SESSION() de wolfSSL. Al deserializar datos de sesión con SESSION_CERTS habilitado, las longitudes del certificado y del ID de sesión se leen de una entrada no confiable sin validación de límites, permitiendo a un atacante desbordar búferes de tamaño fijo y corromper la memoria del montón. Una sesión creada maliciosamente necesitaría ser cargada desde una fuente externa para activar esta vulnerabilidad. Las sesiones internas no eran vulnerables."}],"id":"CVE-2026-2646","lastModified":"2026-06-17T10:31:27.500","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.2,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}],"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"LOCAL","availabilityRequirement":"NOT_DEFINED","baseScore":5.0,"baseSeverity":"MEDIUM","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"PROOF_OF_CONCEPT","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"facts@wolfssl.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-2646","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-03-19T17:43:50.325959Z","version":"2.0.3"}}]},"published":"2026-03-19T18:16:22.223","references":[{"source":"facts@wolfssl.com","tags":["Issue Tracking","Patch"],"url":"https://github.com/wolfSSL/wolfssl/pull/9748"},{"source":"facts@wolfssl.com","tags":["Issue Tracking","Patch"],"url":"https://github.com/wolfSSL/wolfssl/pull/9949"}],"sourceIdentifier":"facts@wolfssl.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-122"}],"source":"facts@wolfssl.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}
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