Heap-Based Buffer Overflow in Hyperscan Software by Intel
CVE-2026-34017

5.8MEDIUM

Key Information:

Vendor

Intel
Status
Hyperscan
Vendor
CVE Published:
10 November 2026

What is CVE-2026-34017?

A heap-based buffer overflow vulnerability exists in Hyperscan before version v5.4.2.1, which can be exploited by unprivileged users. Exploitation requires local access and may lead to denial of service, potentially impacting system availability. Attackers with low complexity can leverage this vulnerability without requiring extensive knowledge, prompting concerns about the robustness of user applications within the Ring 3 environment.

Affected Version(s)

Hyperscan before version v5.4.2.1

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
5.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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