What is CVE-2018-15671?

CVE-2018-15671 is a medium-severity vulnerability in Hdfgroup Hdf5, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2018-08-21.

How severe is CVE-2018-15671?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Hdfgroup Hdf5

CVE-2018-15671

An issue was discovered in the HDF HDF5 1.10.2 library. Excessive stack consumption has been detected in the function H5P__get_cb() in H5Pint.c during an attempted parse of a crafted HDF file. This results in denial of service.

Vulnerability class: DoS (Denial of Service)

Published 2018-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Hdfgroup Hdf5 — versions 1.10.2

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

github.com/SegfaultMasters/covering360/tree/master/HDF5 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-15671?: CVE-2018-15671 is a medium-severity vulnerability in Hdfgroup Hdf5, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2018-08-21.
How severe is CVE-2018-15671?: Medium severity. CVSS v3 base score is 6.5 out of 10.