CVE-2026-58081

{"id": "CVE-2026-58081", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58081", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-26T17:56:31.445530Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "secteam@freebsd.org", "affectedData": [{"vendor": "FreeBSD", "modules": ["iconv"], "product": "FreeBSD", "versions": [{"status": "affected", "version": "15.1-RELEASE", "lessThan": "p1", "versionType": "release"}, {"status": "affected", "version": "15.0-RELEASE", "lessThan": "p11", "versionType": "release"}, {"status": "affected", "version": "14.4-RELEASE", "lessThan": "p7", "versionType": "release"}, {"status": "affected", "version": "14.3-RELEASE", "lessThan": "p16", "versionType": "release"}], "defaultStatus": "unknown"}]}], "published": "2026-08-19T08:17:12.263", "references": [{"url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:49.iconv.asc", "tags": ["Vendor Advisory"], "source": "secteam@freebsd.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secteam@freebsd.org", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "Several encoding modules, including HZ, UTF-7, VIQR, and ZW, did not properly check the size of the caller-supplied output buffer before writing converted characters.\n\nAn application that uses iconv(3) to convert untrusted input to or from one of the affected encodings may be vulnerable to buffer overflows if it uses one of the affected encoding modules."}, {"lang": "es", "value": "Varios m\u00f3dulos de codificaci\u00f3n, incluyendo HZ, UTF-7, VIQR y ZW, no verificaron correctamente el tama\u00f1o del b\u00fafer de salida proporcionado por el llamador antes de escribir los caracteres convertidos.\n\nUna aplicaci\u00f3n que utiliza iconv(3) para convertir entrada no confiable hacia o desde una de las codificaciones afectadas puede ser vulnerable a desbordamientos de b\u00fafer si utiliza uno de los m\u00f3dulos de codificaci\u00f3n afectados."}], "lastModified": "2026-10-27T12:10:00.343", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:14.3:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DC7C54E-58AF-4ADE-84AF-0EF0F325E20E"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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