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CVE-2025-6516

HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow

CVSS 4.8 MEDIUMEPSS 0.3%CWE-119CWE-122
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
23 Jun 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · HDF5
References
https://github.com/HDFGroup/hdf5/issues/5581https://github.com/user-attachments/files/20626851/reproduce.tar.gzhttps://vuldb.com/?ctiid.313636https://vuldb.com/?id.313636https://vuldb.com/?submit.592589