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No exploitation reportedFix available

CVE-2018-16438

No exploitation reported by the sources we read.

  • Published2018-09-04
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Timeline

dates in UTC
  1. 2018-09-0400:29CVE publishedNVD

Versions per branch

NVD
Hdfgroup hdf5
BranchAffectedFixed in
1.8= 1.8.20no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • hdf5Ubuntu:Pro:20.04:LTSall versions · no fixed version listed
  • hdf5Ubuntu:Pro:18.04:LTSall versions · no fixed version listed
  • hdf5Ubuntu:Pro:16.04:LTSall versions · no fixed version listed
  • hdf5Ubuntu:Pro:14.04:LTSall versions · no fixed version listed
  • hdf5Ubuntu:24.04:LTSall versions · no fixed version listed
  • hdf5Ubuntu:22.04:LTSall versions · no fixed version listed
  • hdf5Root:Debian:12all versions · fixed in 1.10.8+repack1-1.root.io.18and 1 other package
  • hdf5Root:Debian:12all versions · fixed in 1.10.8+repack1-1.aikido.33and 1 other package

47 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-16438 Red Hat Product Security6 known affected

    hdf5: out of bounds read in H5L_extern_query at H5Lexternal.c

    hdf5 as a component of Red Hat OpenStack Platform 10 (Newton) · hdf5 as a component of Red Hat OpenStack Platform 12 (Pike) · hdf5 as a component of Red Hat OpenStack Platform 13 (Queens) · +3 more

Full record on NVD

Fix

  1. No fix available, says the vendor Red Hat Product Security CVE-2018-16438 · 1 productAffected
  2. No fix planned, says the vendor Red Hat Product Security CVE-2018-16438 · 5 productsWill not fix

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-09-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-9xmm-cpf8-rgmx

Frequently asked questions

What is CVE-2018-16438?

An issue was discovered in the HDF HDF5 1.8.20 library. There is an out of bounds read in H5L_extern_query at H5Lexternal.c.

Is CVE-2018-16438 actively exploited?

Active exploitation of CVE-2018-16438 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16438?

CVE-2018-16438 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record