Security readout for executives and security teams
Plain-English summary
CVE-2018-13867 is an out-of-bounds read in the HDF5 1.8.20 library. Business risk depends on whether your systems open HDF5 files from users, partners, or automated data feeds. The sources do not provide a CVSS score, confirmed impact, or vendor fix details.
Executive priority
Treat this as a targeted dependency risk, not an emergency, unless HDF5 parsing is exposed to untrusted files. Prioritize inventory and containment first because the sources do not provide severity scoring or a named fix.
Technical view
The CVE describes an out-of-bounds read in H5F__accum_read within H5Faccum.c in HDF HDF5 1.8.20. The supplied evidence does not define affected CPEs, CWE, fixed versions, or confirmed consequences beyond the memory read flaw. A public PoC reference exists.
Likely exposure
Exposure is most likely in applications, analysis pipelines, or services linked against HDF5 1.8.20 that parse HDF5 files, especially from untrusted sources. The source bundle does not identify downstream products or package names.
Exploitation context
CISA KEV status is false in the provided bundle, and no cited source confirms active exploitation. The CVE references a public proof-of-concept repository, so validation should assume public technical details may be available without treating it as known exploited.
Researcher notes
The record is sparse: no CVSS, CWE, CPE, patch, or detailed impact is supplied. Analysis should stay bounded to HDF5 1.8.20 and the named function. Avoid broad product claims without separate evidence.
Mitigation direction
- Inventory systems and dependencies using HDF5 1.8.20.
- Check HDF Group or package-maintainer guidance for fixed versions.
- Restrict or sandbox processing of untrusted HDF5 files.
- Prioritize externally exposed file-upload or data-ingestion paths.
- Monitor parsing services for crashes or abnormal failures.
Validation and detection
- Confirm whether HDF5 1.8.20 is present in builds or containers.
- Map every workflow that opens HDF5 files.
- Identify whether HDF5 inputs can come from users or partners.
- Review crash logs mentioning H5F__accum_read or H5Faccum.c.
- Track vendor advisories for remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-13867 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/TeamSeri0us/pocs/tree/master/hdf5CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.