Security readout for executives and security teams
Plain-English summary
CVE-2018-13876 is a reported stack-based buffer overflow in HDF5 1.8.20. Business risk depends on whether systems process HDF5 files, especially files from users, partners, research pipelines, or archives. The supplied sources do not provide CVSS, confirmed fixes, or active exploitation evidence.
Executive priority
Treat this as a targeted inventory and patch-verification item, not a confirmed emergency. Escalate priority if HDF5 1.8.20 processes external files in production, because memory-corruption flaws can create serious availability or code-execution risk.
Technical view
The CVE describes a stack-based buffer overflow in H5FD_sec2_read in H5FDsec2.c, related to HDread, in HDF HDF5 1.8.20. A public proof-of-concept repository is referenced. The bundle does not define CPEs, CWE, patched versions, or exploit impact details.
Likely exposure
Exposure is most likely in applications, scientific workflows, converters, or backend services linked against HDF5 1.8.20 and parsing HDF5 files. Risk increases when files are accepted from untrusted or semi-trusted sources.
Exploitation context
The CVE reference points to a public PoC repository, so researchers should assume reproducibility may be possible. The bundle does not show CISA KEV listing, active exploitation, or reliable exploitation in the wild.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, fixed version, or detailed impact is supplied. Analysis should focus on confirming HDF5 1.8.20 presence, file trust boundaries, and vendor patch lineage. Do not infer active exploitation from the PoC reference alone.
Mitigation direction
- Inventory applications and services that link to HDF5 1.8.20.
- Check HDF Group or distributor guidance for fixed versions or backported patches.
- Avoid processing untrusted HDF5 files until exposure is understood.
- Run HDF5 file parsing in isolated, least-privileged environments.
- Prioritize upgrades where HDF5 parsing is internet-facing or user-facing.
Validation and detection
- Identify deployed HDF5 library versions in binaries, packages, containers, and build manifests.
- Map every workflow that ingests HDF5 files from external sources.
- Review crash reports for HDF5 read failures near file ingestion paths.
- Confirm vendor or distributor patch status before declaring remediation complete.
- Use non-production regression testing to verify file-processing stability after updates.
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-2018-13876 mapping review
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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.