OpenStack Ironic: Pre-Validation Checksum Calculation allows Denial of Service (DoS) via Infinite Block Devices

GHSA-4g73-w726-53h3 · CVE-2026-44919

Published May 14, 2026 · Modified Jun 8, 2026

Description

In OpenStack Ironic through 35.x before a3f6d73, during image handling, an infinite loop in checksum calculations can occur via the file:///dev/zero URL.

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-44919
WEB https://bugs.launchpad.net/ironic/+bug/2150332
PACKAGE https://opendev.org/openstack/ironic
WEB https://opendev.org/openstack/ironic/commit/a3f6d735ac3642ab95b49142c7305f072ae748d0
WEB https://security.openstack.org/ossa/OSSA-2026-013.html

Ready to move

Start Securing

Start for Free Get Demo

Free, no credit card | First findings in minutes