CVE-2026-44919

FAUCET Score

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.

First published: May 14, 2026Last modified: May 21, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 23.0.4, < 29.0.6CPE matchmatch criteria	cpe:2.3:a:openstack:ironic::::::::
		>= 30.0.0, < 32.0.2CPE matchmatch criteria	cpe:2.3:a:openstack:ironic::::::::
		>= 33.0.0, < 35.0.2CPE matchmatch criteria	cpe:2.3:a:openstack:ironic::::::::

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

Exploitability Score

2.8

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.47%

Probability of exploitation in next 30 days

EPSS Percentile

37.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0047 is in the 48th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-4g73-w726-53h3medium

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

May 14, 2026

References

bugs.launchpad.net / ironic/+bug/2150332

ExploitIssue TrackingThird Party Advisory

opendev.org / openstack/ironic/commit/a3f6d735ac3642ab95b49142c7305f072ae748d0

Patch

security.openstack.org / ossa/OSSA-2026-013.html

PatchVendor Advisory