CVE-2026-91760: Hitachi Dynamic Link Manager for Linux heap buffer overflow

CVE-2026-91760 · Severity: high · CVSS 7 · Published 2026-11-10

Hitachi Dynamic Link Manager for Linux is a storage management software for Linux systems. A heap-based buffer overflow vulnerability allows a local attacker with limited privileges to corrupt memory and potentially execute arbitrary code, compromising system integrity and data security.

Technologies: Hitachi Dynamic Link Manager for Linux. Vendors: Hitachi.

Quick answers

Is CVE-2026-91760 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-91760 being exploited in the wild.
How severe is CVE-2026-91760?
High severity, with a CVSS score of 7, published 10 November 2026.
Which products and versions are affected?
Hitachi Dynamic Link Manager for Linux 7.5.0-00 to 9.0.3-01.
Is there a fix for CVE-2026-91760?
Yes: fixed in 9.0.5-00. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-91760 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2026-91760?
Check whether you run Hitachi Dynamic Link Manager for Linux at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 9.0.5-00

Technical details

A heap-based buffer overflow exists in Hitachi Dynamic Link Manager for Linux affecting versions 7.5.0-00 through 9.0.3-01. The vulnerability requires local access with limited privileges and non-standard conditions (high attack complexity). Exploitation allows memory corruption leading to information disclosure, privilege escalation, and potential code execution.

Affected products

  • Hitachi Dynamic Link Manager for Linux 7.5.0-00 to 9.0.3-01

Timeline

  • 2026-11-10: disclosed

References

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