Medium (5.7) in hdfgroup hdf5. EPSS 0.2% chance of exploitation in the next 30 days.
HDF5 Library through 1.14.3 has a heap-based buffer overflow in H5O__layout_encode in H5Olayout.c, resulting in the corruption of the instruction pointer.
Severity
CVSS 3.1
5.7 medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)