CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2026-91758
High (7.8) in hitachi hitachi dynamic link manager for linux. EPSS 0.1% estimated probability of exploitation activity in the next 30 days.
Out-of-bounds Read and Write Vulnerability in Hitachi Dynamic Link Manager for Linux.
This issue affects Hitachi Dynamic Link Manager for Linux: from 7.5.0-00 before 9.0.5-00.
Severity
- EPSS
- 0.1% estimated probability of exploitation activity in the next 30 days; 4th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-131 Incorrect Calculation of Buffer Size
- Published
- Assigned by
- Hitachi (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Explain CVE-2026-91758 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-91758?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-91758?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-91758 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Affected
- hitachi:hitachi dynamic link manager for linux
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Hitachi Dynamic Link Manager for Linux | from 7.5.0-00 before 9.0.5-00 |
Fixed in
| Product | Fixed in |
|---|---|
| Hitachi Dynamic Link Manager for Linux | 9.0.5-00 |
Attack patterns (CAPEC)
- CAPEC-47 Buffer Overflow via Parameter Expansion Likelihood: Medium · Severity: High
- CAPEC-100 Overflow Buffers Likelihood: High · Severity: Very High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.