CVE-2016-4332: hdfgroup hdf5 Improper Input Validation
Vulnerability summary
CVE-2016-4332 is a high (CVSS 8.6) Improper Input Validation vulnerability in hdfgroup hdf5. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 57% 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 8 · Related 5Timeline
- 18-11-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The library's failure to check if certain message types support a particular flag, the HDF5 1.8.16 library will cast the structure to an alternative structure and then assign to fields that aren't supported by the message type and the library will write outside the bounds of the heap buffer. This can lead to code execution under the context of the library.
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
0.81%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.81% 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-2016-0178/X Refsource MISCExploitTechnical DescriptionThird Party AdvisoryREPORT