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CVE-2025-6516

Good to know:

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Date: June 23, 2025

A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.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/20626851/reproduce.tar.gz
https://vuldb.com/?ctiid.313636
https://vuldb.com/?submit.592589
https://github.com/HDFGroup/hdf5/issues/5581
https://security-tracker.debian.org/tracker/CVE-2025-6516
https://nvd.nist.gov/vuln/detail/CVE-2025-6516
https://vuldb.com/?id.313636
https://www.mend.io/vulnerability-database/CVE-2025-6516

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Heap-based Buffer Overflow

CWE-122

Top Fix

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Upgrade Version

Upgrade to version https://github.com/HDFGroup/hdf5.git - null

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): NONE
Integrity (I): NONE
Availability (A): HIGH

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