Skip to main content
CVE-2026-53493VulnerabilityPublished Updated

Microsoft · Containerd has image-pull DoS via crafted OCI index graph amplification

Affects MicrosoftSource GCVE Database

0

Not known to be exploited.

Data as of 26 Oct 2026, 13:47 UTC

Severity
Unrated

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubcontainerd/containerdpkg:github/containerd/containerdOther threatsAffected
  • =3.0
Fixed in–
Ubuntu Pro 16.04 LTScontainerdpkg:deb/ubuntu/containerd?arch=source&distro=esm-apps-legacy/xenialOther threatsAffected
  • 0.2.1-0ubuntu4~16.04 – 1.2.6-0ubuntu1~16.04.6+esm7
14 affected builds
Fixed in–
Ubuntu Pro 18.04 LTScontainerdpkg:deb/ubuntu/containerd?arch=source&distro=esm-apps/bionicOther threatsAffected
  • 0.2.5-0ubuntu2 – 1.6.12-0ubuntu1~18.04.1+esm4
20 affected builds
Fixed in–
Ubuntu Pro 20.04 LTScontainerdpkg:deb/ubuntu/containerd?arch=source&distro=esm-infra/focalOther threatsAffected
  • 1.2.10-0ubuntu1 – 1.6.12-0ubuntu1~20.04.8+esm2
25 affected builds
Fixed in–
Ubuntu Pro 20.04 LTScontainerd-apppkg:deb/ubuntu/containerd-app?arch=source&distro=esm-apps/focalOther threatsAffected
  • 1.7.2-0ubuntu1~20.04.1 – 1.7.24-0ubuntu1~20.04.2+esm2
6 affected builds
Fixed in–
Ubuntu 22.04 LTScontainerdpkg:deb/ubuntu/containerd?arch=source&distro=jammyOther threatsAffected
  • 1.5.5-0ubuntu3 – 1.6.12-0ubuntu1~22.04.11
14 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

Community reviews

Loading reviews…