CVE-2016-4331: hdfgroup hdf5 Out-of-bounds Write
Vulnerability summary
CVE-2016-4331 is a high (CVSS 8.6) Out-of-bounds Write vulnerability in hdfgroup hdf5. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 55.4% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 2Timeline
- 18-11-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
When decoding data out of a dataset encoded with the H5Z_NBIT decoding, the HDF5 1.8.16 library will fail to ensure that the precision is within the bounds of the size leading to arbitrary code execution.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.6HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.6HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.76%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.76% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- hdf5< 1.10.0-patch1+docs-1
Hdfgroup1 product
- hdf51.8.16
Ubuntu1 product
- hdf5< 1.8.11-5ubuntu7.1 | < 1.8.16+docs-4ubuntu1.1
3 vendors · 3 products
References
7 links- www.talosintelligence.com/reports/TALOS-2016-0177/X Refsource MISCExploitTechnical DescriptionThird Party AdvisoryREPORT