{"api_version":"1","generated_at":"2026-08-19T11:45:16+00:00","cve":"CVE-2026-58081","urls":{"html":"https://cve.report/CVE-2026-58081","api":"https://cve.report/api/cve/CVE-2026-58081.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-58081","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-58081"},"summary":{"title":"Heap based buffer overflow in iconv(3)","description":"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.","state":"PUBLISHED","assigner":"freebsd","published_at":"2026-08-19 08:17:12","updated_at":"2026-08-19 08:17:12"},"problem_types":["CWE-122","CWE-122 CWE-122: Heap-based Buffer Overflow"],"metrics":[],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:49.iconv.asc","name":"https://security.freebsd.org/advisories/FreeBSD-SA-26:49.iconv.asc","refsource":"secteam@freebsd.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-58081","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58081","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 15.1-RELEASE p1 release","platforms":[]},{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 15.0-RELEASE p11 release","platforms":[]},{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 14.4-RELEASE p7 release","platforms":[]},{"source":"CNA","vendor":"FreeBSD","product":"FreeBSD","version":"affected 14.3-RELEASE p16 release","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Nick Wellnhofer","lang":"en"},{"source":"CNA","value":"Mark Johnston","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unknown","modules":["iconv"],"product":"FreeBSD","vendor":"FreeBSD","versions":[{"lessThan":"p1","status":"affected","version":"15.1-RELEASE","versionType":"release"},{"lessThan":"p11","status":"affected","version":"15.0-RELEASE","versionType":"release"},{"lessThan":"p7","status":"affected","version":"14.4-RELEASE","versionType":"release"},{"lessThan":"p16","status":"affected","version":"14.3-RELEASE","versionType":"release"}]}],"credits":[{"lang":"en","type":"finder","value":"Nick Wellnhofer"},{"lang":"en","type":"finder","value":"Mark Johnston"}],"datePublic":"2026-06-30T20:00:00.000Z","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."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-19T07:20:26.880Z","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","shortName":"freebsd"},"references":[{"tags":["vendor-advisory"],"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:49.iconv.asc"}],"title":"Heap based buffer overflow in iconv(3)","x_generator":{"engine":"cvelib 1.8.0"}}},"cveMetadata":{"assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","assignerShortName":"freebsd","cveId":"CVE-2026-58081","datePublished":"2026-08-19T07:20:26.880Z","dateReserved":"2026-06-29T01:40:17.498Z","dateUpdated":"2026-08-19T07:20:26.880Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-19 08:17:12","lastModifiedDate":"2026-08-19 08:17:12","problem_types":["CWE-122","CWE-122 CWE-122: Heap-based Buffer Overflow"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"58081","Ordinal":"1","Title":"Heap based buffer overflow in iconv(3)","CVE":"CVE-2026-58081","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"58081","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Heap based buffer overflow in iconv(3)"}]}}}