CVE-2018-13873

Name: CVE-2018-13873
Creator: NVD / NIST
Published: 2018-07-10T21:29:00.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.85%

Last modified Jun 17, 2026

CVE-2018-13873 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.85% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.85%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Hdfgroup	Hdf5	>= 1.8.0, <= 1.8.20

References

https://github.com/TeamSeri0us/pocs/tree/master/hdf5Exploit, Third Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/hdf5Exploit, Third Party Advisory

Timeline

Published: Jul 10, 2018
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2018-13873?

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.

How severe is CVE-2018-13873?

CVE-2018-13873 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.85% probability of exploitation in the next 30 days.

How do I fix CVE-2018-13873?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-13873?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST