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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:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*", "matchCriteriaId": "A4F7F02A-C845-40BF-8490-510A070000F3", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "B55E4B92-88E0-41F0-AFA7-046A8D34A2CA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The ipalloc function in libc/stdlib/malloc.c in jemalloc in libc for FreeBSD 6.4 and NetBSD does not properly allocate memory, which makes it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, related to \"integer rounding and overflow\" errors."}, {"lang": "es", "value": "La funci\u00f3n ipalloc en libc /stdlib/malloc.c en jemalloc en libc para FreeBSD y NetBSD v6.4 no asignan correctamente la memoria, lo que hace que sea m\u00e1s f\u00e1cil para los atacantes dependientes de contexto llevar a cabo ataques relacionados con la memoria, tales como desbordamientos de b\u00fafer a trav\u00e9s de un valor de tama\u00f1o grande, relacionado con errores de \"redondeo entero y desbordamiento\"."}], "id": "CVE-2007-6754", "lastModified": "2026-06-16T22:48:42.253", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-07-25T19:55:01.633", "references": [{"source": "cve@mitre.org", "url": "http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://svnweb.freebsd.org/base?view=revision&revision=167872"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://svnweb.freebsd.org/base?view=revision&revision=167872"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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