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Microsoft Security Response CenterCVE-2026-18149

undici vulnerable to Denial of Service via orphaned RetryHandler response body

Mariner

Read the vendor bulletin Get alerts for azl3 nodejs 24.18.1-1 on Azure Linux
5.9CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 nodejs 24.18.1-1 on Azure Linux 3.0
  • azl3 nodejs 24.20.0-1 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
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added affected products: azl3 nodejs 24.20.0-1 on Azure Linux 3.0.
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-18149View CVSS, KEV, EPSS, and threat context
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