CVE-2026-67456: NVIDIA Warp heap buffer overflow

CVE-2026-67456 · Severity: medium · CVSS 4.4 · Published 2026-10-13

NVIDIA Warp is a Python library for GPU-accelerated computing. A heap buffer overflow vulnerability could allow an attacker to cause a denial of service, potentially disrupting applications that depend on Warp for GPU computations.

Vendors: Nvidia.

Quick answers

Is CVE-2026-67456 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-67456 being exploited in the wild.
How severe is CVE-2026-67456?
Medium severity, with a CVSS score of 4.4, published 13 October 2026.
Which products and versions are affected?
NVIDIA Warp.
Is there a fix for CVE-2026-67456?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-67456 attacked?
It is attacked over the network or with local access, in a software library.
Am I affected by CVE-2026-67456?
Check whether you run Nvidia Warp. 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.

Technical details

A heap-based buffer overflow exists in NVIDIA Warp that could be triggered by a malicious input or operation. Successful exploitation leads to denial of service. The vulnerability requires user interaction or application-level attack vectors to trigger.

Affected products

  • NVIDIA Warp

Timeline

  • 2026-10-13: disclosed

References

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