CVE-2026-44919

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-14 · updated 2026-10-26
Weakness: CWE-696

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.

Affected products

OpenStack Ironic: from 23.0.4 before 29.0.6; from 30.0.0 before 32.0.2; from 33.0.0 before 35.0.2 — fixed in 29.0.6, 32.0.2, 35.0.2

How to fix

Upgrade to a fixed version: OpenStack Ironic 29.0.6, 32.0.2, 35.0.2. Check the vendor advisory for mitigations.

References

https://bugs.launchpad.net/ironic/+bug/2150332
https://opendev.org/openstack/ironic/commit/a3f6d735ac3642ab95b49142c7305f072ae748d0
https://security.openstack.org/ossa/OSSA-2026-013.html
https://bugs.launchpad.net/ironic/+bug/2150332

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