CVE-2021-33461

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tortall:yasm:1.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "1453CF78-5025-49BF-A1A6-C62F948B5735", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in yasm version 1.3.0. There is a use-after-free in yasm_intnum_destroy() in libyasm/intnum.c."}, {"lang": "es", "value": "Se ha detectado un problema en yasm versi\u00f3n 1.3.0. Se presenta un uso de memoria previamente liberada en la funci\u00f3n yasm_intnum_destroy() en el archivo libyasm/intnum.c."}], "id": "CVE-2021-33461", "lastModified": "2026-06-17T03:54:35.617", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-07-26T13:15:09.590", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/yasm/yasm/issues/161"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/yasm/yasm/issues/161"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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