{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-16T17:35:12.834","vulnerabilities":[{"cve":{"id":"CVE-2021-33466","sourceIdentifier":"cve@mitre.org","published":"2022-07-26T13:15:09.817","lastModified":"2024-11-21T06:08:53.347","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_smacro() in modules/preprocs/nasm/nasm-pp.c."},{"lang":"es","value":"Se ha detectado un problema en yasm versión 1.3.0. Se presenta una desreferencia de puntero NULL en la función expand_smacro() en el archivo modules/preprocs/nasm/nasm-pp.c."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:tortall:yasm:1.3.0:*:*:*:*:*:*:*","matchCriteriaId":"1453CF78-5025-49BF-A1A6-C62F948B5735"}]}]}],"references":[{"url":"https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d","source":"cve@mitre.org","tags":["Third Party Advisory"]},{"url":"https://github.com/yasm/yasm/issues/172","source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://github.com/yasm/yasm/issues/172","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"]}]}}]}