In HDF5 1.10.1, there is a NULL pointer dereference in the function H5O_pline_decode in the H5Opline.c file in libhdf5.a. For example, h5dump would crash when someone opens a crafted hdf5 file.
Severity
CVSS 3.0
6.5 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)