{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in yasm version 1.3.0. There is a use-after-free in expr_traverse_nodes_post() in libyasm/expr.c."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-07-26T12:52:54", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/yasm/yasm/issues/165"}, {"tags": ["x_refsource_MISC"], "url": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-33462", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered in yasm version 1.3.0. There is a use-after-free in expr_traverse_nodes_post() in libyasm/expr.c."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/yasm/yasm/issues/165", "refsource": "MISC", "url": "https://github.com/yasm/yasm/issues/165"}, {"name": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d", "refsource": "MISC", "url": "https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-33462", "datePublished": "2022-07-26T12:52:54", "dateReserved": "2021-05-20T00:00:00", "dateUpdated": "2022-07-26T12:52:54", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"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"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in yasm version 1.3.0. There is a use-after-free in expr_traverse_nodes_post() in libyasm/expr.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 expr_traverse_nodes_post() en el archivo libyasm/expr.c."}], "id": "CVE-2021-33462", "lastModified": "2022-07-28T15:19:35.817", "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": "2022-07-26T13:15:09.647", "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/165"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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