containerd CRI ExecSync Goroutine Leak Leading to Node-Level Denial of Service

Mariner

Read the vendor bulletin Get alerts for azl3 moby-containerd-cc 1.7.7-16 on Azure Linux

MediumCVSS not listedMedium severity

Scope

What the vendor says is affected

azl3 moby-containerd-cc 1.7.7-16 on Azure Linux 3.0
azl3 containerd2 2.2.4-8 on Azure Linux 3.0

Next step

What the vendor recommends

See the Microsoft Security Update Guide for the update that applies to your product.

Review the complete instructions on the vendor's site

Timeline

When this advisory changed

Sep 16, 2026 at 1:02 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 17, 2026 at 10:05 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-53495View CVSS, KEV, EPSS, and threat context

Source

Start with the vendor's bulletin

SecurityAlert organizes the fields the vendor published. The original bulletin remains the source of record for affected versions, fixes, and later changes.

Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-53495
Last source check: Sep 17, 2026 at 4:10 PM UTC

Open the official bulletin How SecurityAlert builds this record

Your environment

Check the systems you actually run

A vendor advisory can tell you what may be affected. It cannot tell you whether that product and version are installed in your environment.

Confirm the product and installed version.
Read the vendor's prerequisites and exceptions.
Test the update or mitigation through your normal change process.

Watch azl3 moby-containerd-cc 1.7.7-16 on Azure Linux

Keep following

Get new Microsoft Security Response Center advisories

Use the vendor-specific RSS feed or set up alerts for a product your team relies on.

Follow this vendor's RSS feed

What the vendor says is affected

What the vendor recommends

When this advisory changed

CVEs named in this advisory

Related advisories from Microsoft Security Response Center

Microsoft Excel Remote Code Execution Vulnerability

Microsoft Office SharePoint Remote Code Execution Vulnerability

undici vulnerable to Denial of Service via orphaned RetryHandler response body

gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers

scsi: qla2xxx: Zero SFP DMA buffer in FRU/I2C bsg handlers

Use-after-free in DoH stream cleanup code path