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CVE-2025-6816

HDF5 H5Ofsinfo.c H5O__fsinfo_encode heap-based overflow

CVSS 4.8 MEDIUMEPSS 0.2%CWE-119CWE-122
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
28 Jun 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. 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:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · HDF5
References
https://github.com/HDFGroup/hdf5/issues/5571https://github.com/user-attachments/files/20623354/hdf5_crash_3.txthttps://vuldb.com/?ctiid.314254https://vuldb.com/?id.314254https://vuldb.com/?submit.602291