CVE-2026-53493

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Source
https://cve.org/CVERecord?id=CVE-2026-53493
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53493.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-53493
Aliases
Downstream
AZL (1)
CGA (336)
UBUNTU (1)
Published
2026-09-25T00:06:43Z
Modified
2026-09-26T03:30:43Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Containerd has image-pull DoS via crafted OCI index graph amplification
Details

containerd is an open-source container runtime. Prior to versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1, a crafted OCI index graph can force very high CPU/memory usage during PullImage (before container start), causing long ContainerCreating stalls and, at larger sizes, node/runtime instability. Versions 1.7.36, 2.0.13, 2.2.9, 2.3.6, and 2.4.1 fix the issue.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-400",
        "CWE-770",
        "CWE-834"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53493.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "2.0.0"
                },
                {
                    "fixed":  "2.0.13"
                },
                {
                    "fixed":  "1.7.36"
                },
                {
                    "introduced":  "2.1.0"
                },
                {
                    "fixed":  "2.2.9"
                },
                {
                    "introduced":  "2.3.0"
                },
                {
                    "fixed":  "2.3.6"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/containerd/containerd

Affected ranges

Type
GIT
Repo
https://github.com/containerd/containerd
Events
Introduced
a7fe631d96c08fb14cf8eff0afdc280e99c30a94
Last Affected
a7fe631d96c08fb14cf8eff0afdc280e99c30a94
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "= 2.4.0"
        },
        {
            "last_affected":  "= 2.4.0"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

= 2.*
= 2.4.0
v2.*
v2.4.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53493.json"