CVE-2018-13873: Hdfgroup HDF5

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

Affected products

• Hdfgroup HDF5: from 1.8.0, up to and including 1.8.20

Published 2018-07-10. Last modified 2026-06-17.