Containerd has image-pull DoS via crafted OCI index graph amplification
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.
CVE-2026-53493
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-53493
containerd
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "containerd",
"product": "containerd",
"versions": [
{
"status": "affected",
"version": ">= 2.0.0, < 2.0.13"
},
{
"status": "affected",
"version": "< 1.7.36"
},
{
"status": "affected",
"version": ">= 2.1.0, < 2.2.9"
},
{
"status": "affected",
"version": ">= 2.3.0, < 2.3.6"
},
{
"status": "affected",
"version": "= 2.4.0"
}
]
}
]- Related CVEs
- CVE-2026-53493
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #3151 · Revision 1
- Added to Heist Feed
- Publisher date