Critical (9.8) in hdfgroup hdf5. EPSS 0.9% chance of exploitation in the next 30 days.
HDF5 through 1.14.3 contains a stack buffer overflow in H5R__decode_heap, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)