Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-4331

28
FAUCET Score

CVE-2016-4331 describes an arbitrary code execution vulnerability in the HDF5 1.8.16 library. This flaw occurs during the decoding of H5Z_NBIT encoded data, where the library fails to validate precision against size bounds. With a CVSS score of 8.6 (HIGH), this vulnerability presents a significant risk due to its local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
1.8.16CPE matchmatch criteria
cpe:2.3:a:hdfgroup:hdf5:1.8.16:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 48th percentile among its peer group of 11,615 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 8 (Liberty)Fixed in: hdf5
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: hdf5

Vendor Advisories (1)

redhatCVE-2016-4331Important

hdf5: H5Z_NBIT heap buffer overflow

Nov 15, 2016

References

security.gentoo.org / glsa/201701-13
debian.org / security/2016/dsa-3727
securityfocus.com / bid/94411
talosintelligence.com / reports/TALOS-2016-0177
ExploitTechnical DescriptionThird Party Advisory