A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FL__reg_gc_list of the file src/H5FL.c. The manipulation leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.
{
"license": "CC-BY-4.0",
"sources": [
{
"modified": "2026-06-17T10:02:42.210Z",
"database_specific": {
"status": "Analyzed"
},
"id": "CVE-2025-6856",
"imported": "2026-07-17T21:41:23.500Z",
"published": "2025-06-29T10:15:21.443Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-6856",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-6856"
}
]
}