{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-12T12:23:21.734","vulnerabilities":[{"cve":{"id":"CVE-2020-15254","sourceIdentifier":"security-advisories@github.com","published":"2020-10-16T17:15:12.057","lastModified":"2024-11-21T05:05:12.177","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Crossbeam is a set of tools for concurrent programming. In crossbeam-channel before version 0.4.4, the bounded channel incorrectly assumes that `Vec::from_iter` has allocated capacity that same as the number of iterator elements. `Vec::from_iter` does not actually guarantee that and may allocate extra memory. The destructor of the `bounded` channel reconstructs `Vec` from the raw pointer based on the incorrect assumes described above. This is unsound and causing deallocation with the incorrect capacity when `Vec::from_iter` has allocated different sizes with the number of iterator elements. This has been fixed in crossbeam-channel 0.4.4."},{"lang":"es","value":"Crossbeam es un conjunto de herramientas para programación concurrente. En crossbeam-channel versiones anteriores a 0.4.4, el canal acotado asume inapropiadamente que \"Vec::from_iter\" ha asignado una capacidad igual a la cantidad de elementos iteradores. \"Vec::from_iter\" en realidad no garantiza eso y puede asignar memoria extra. El destructor del canal \"bounded\" reconstruye \"Vec\" a partir del puntero sin procesar basándose en los supuestos incorrectos descritos anteriormente. Esto no es correcto y causa una desasignación con la capacidad incorrecta cuando \"VVec::from_iter\" ha asignado diferentes tamaños con el número de elementos del iterador. Esto ha sido corregido en crossbeam-channel versión 0.4.4"}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9},{"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}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-119"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:crossbeam_project:crossbeam:*:*:*:*:*:*:*:*","versionEndExcluding":"0.4.4","matchCriteriaId":"88240C4C-2AB0-4B8F-8CC8-371F77E60B96"}]}]}],"references":[{"url":"https://github.com/RustSec/advisory-db/pull/425","source":"security-advisories@github.com","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/crossbeam-rs/crossbeam/issues/539","source":"security-advisories@github.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/crossbeam-rs/crossbeam/pull/533","source":"security-advisories@github.com","tags":["Exploit","Patch","Third Party Advisory"]},{"url":"https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-v5m7-53cv-f3hx","source":"security-advisories@github.com","tags":["Third Party Advisory"]},{"url":"https://github.com/RustSec/advisory-db/pull/425","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://github.com/crossbeam-rs/crossbeam/issues/539","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/crossbeam-rs/crossbeam/pull/533","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Third Party Advisory"]},{"url":"https://github.com/crossbeam-rs/crossbeam/security/advisories/GHSA-v5m7-53cv-f3hx","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}