What is CVE-2018-11205?

CVE-2018-11205 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2018-05-16.

How severe is CVE-2018-11205?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2018-11205 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Hdfgroup Hdf5

CVE-2018-11205

A out of bounds read was discovered in H5VM_memcpyvv in H5VM.c in the HDF HDF5 1.10.2 library. It could allow a remote denial of service or information disclosure attack.

Vulnerability class: Buffer Overflow

Published 2018-05-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.024 (83.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: -0.000

Affected products

Hdfgroup Hdf5 — versions 1.10.2

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

github.com/Twi1ight/fuzzing-pocs/tree/master/hdf5 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11205?: CVE-2018-11205 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2018-05-16.
How severe is CVE-2018-11205?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2018-11205 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.