CVE-2018-16438: Hdfgroup HDF5

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Affected products

• Hdfgroup HDF5: version 1.8.20 only

Published 2018-09-04. Last modified 2026-06-17.