CVE-2026-58082

{"id": "CVE-2026-58082", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58082", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-26T19:42:13.490088Z"}}], "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": "2026-08-19T08:17:12.370", "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-121"}]}], "descriptions": [{"lang": "en", "value": "The ISO-2022 encoding module used a stack buffer sized to MB_LEN_MAX (6 bytes) for intermediate character output. Some ISO-2022 variants can require up to 10 bytes per character, in which case conversions can trigger a stack buffer overflow of up to four bytes.\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": "El m\u00f3dulo de codificaci\u00f3n ISO-2022 utiliz\u00f3 un b\u00fafer de pila dimensionado a MB_LEN_MAX (6 bytes) para la salida de caracteres intermedios. Algunas variantes de ISO-2022 pueden requerir hasta 10 bytes por car\u00e1cter, en cuyo caso las conversiones pueden desencadenar un desbordamiento de b\u00fafer de pila de hasta cuatro bytes.\n\nUna aplicaci\u00f3n que utiliza iconv(3) para convertir entrada no confiable a 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": "D3D22B8C-36CF-4800-9673-0B0240558BDD"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p10:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7296F5AA-F8C1-4277-A4EE-C2B24073A320"}, {"criteria": 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