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{"bugzilla": {"description": "hdf5: HDF5 Heap Overflow", "id": "2375339", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2375339"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "(CWE-119|CWE-122)", "details": ["A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.", "A flaw was found in hdf5. The H5O__chunk_protect function in /src/H5Ochunk.c contains a heap-based buffer overflow resulting from improper memory handling. This flaw allows local attackers to trigger the overflow by manipulating a crafted file. This condition can lead to a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-6818", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "hdf5", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}], "public_date": "2025-06-28T15:31:06Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-6818\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-6818\nhttps://github.com/HDFGroup/hdf5/issues/5573\nhttps://github.com/user-attachments/files/20623382/hdf5_crash_5.txt\nhttps://vuldb.com/?ctiid.314256\nhttps://vuldb.com/?id.314256\nhttps://vuldb.com/?submit.602326"], "threat_severity": "Low"}