CVE-2021-33641

{"id": "CVE-2021-33641", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2023-01-20T21:15:10.803", "references": [{"url": "https://gitee.com/src-openeuler/byacc/commit/50225f48c6b53e9d7c936681a06682404cb8ec4d", "tags": ["Permissions Required", "Third Party Advisory"], "source": "securities@openeuler.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Secondary", "source": "securities@openeuler.org", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "When processing files, malloc stores the data of the current line. When processing comments, malloc incorrectly accesses the released memory (use after free)."}, {"lang": "es", "value": "Al procesar archivos, malloc almacena los datos de la l\u00ednea actual. Al procesar comentarios, malloc accede incorrectamente a la memoria liberada (\u00fasela despu\u00e9s de liberarla)."}], "lastModified": "2023-09-26T19:53:49.097", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2399FF0-CD0D-4170-B923-1F3F7236B081", "versionEndExcluding": "1.9.20200330"}, {"criteria": "cpe:2.3:a:openeuler:byacc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C944FA70-29B9-4A7B-B811-105C327BC3D6", "versionEndExcluding": "2.0.20210808", "versionStartIncluding": "2.0"}], "operator": "OR"}]}], "sourceIdentifier": "securities@openeuler.org"}