CVE-2021-46242: Hdfgroup HDF5

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

HDF5 v1.13.1-1 was discovered to contain a heap-use-after free via the component H5AC_unpin_entry.

Affected products

Published 2022-01-21. Last modified 2026-06-17.