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CVE-2025-6818

Date: June 28, 2025

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.

Severity Score

Related Resources (8)

https://github.com/user-attachments/files/20623382/hdf5_crash_5.txt
https://vuldb.com/?id.314256
https://vuldb.com/?submit.602326
https://security-tracker.debian.org/tracker/CVE-2025-6818
https://nvd.nist.gov/vuln/detail/CVE-2025-6818
https://vuldb.com/?ctiid.314256
https://github.com/HDFGroup/hdf5/issues/5573
https://www.mend.io/vulnerability-database/CVE-2025-6818

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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