High (7.4) in hdfgroup hdf5. EPSS 0.6% chance of exploitation in the next 30 days.
HDF5 Library through 1.14.3 contains a heap-based buffer overflow in H5T__ref_mem_setnull in H5Tref.c (called from H5T__conv_ref in H5Tconv.c), resulting in the corruption of the instruction pointer.
Severity
CVSS 3.1
7.4 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)