High (7.4) in hdfgroup hdf5. EPSS 0.2% chance of exploitation in the next 30 days.
HDF5 through 1.14.3 contains a stack buffer overflow in H5FL_arr_malloc, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution.
Severity
CVSS 3.1
7.4 high
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)