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Advisory record · GHSA-4g73-w726-53h3

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

CVSS 4.3 MediumEPSS 0.0047 · 40th percentile

Published by the GitHub Advisory Database at 14 May 2026, 03:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
ironicPyPI<=36.0.0No fixed version yet
Identifiers
GHSA-4g73-w726-53h3 · CVE-2026-44919 · PYSEC-2026-2524
Weakness (CWE)
CWE-696
Tags
Published
14 May 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

ironic (OpenStack Ironic), versions up to and including 36.0.0, can enter an infinite loop during checksum calculation when image handling reads from an infinite block device, causing denial of service. The source does not describe what access an attacker needs. No fixed version is listed.

Written 5 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CNA (mitre)
  • CISA KEV Not listed.
  • EPSS 0.0047, the 40th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:34 UTC First seen by agentprime
  2. 31 Oct 2026, 14:34 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.