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Microsoft Security Response CenterCVE-2026-59251

Denial of service via exponential certificate policy tree growth in path validation

Mariner

Read the vendor bulletin Get alerts for azl3 erlang 26.2.5.21-4 on Azure Linux
HighCVSS not listedHigh severity
Scope

What the vendor says is affected

  • azl3 erlang 26.2.5.21-4 on Azure Linux 3.0

Versions the vendor lists as fixed

  • 26.2.5.21-3
Next step

What the vendor recommends

CBL-Mariner Releases

Review the complete instructions on the vendor's site
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-2026-59251View CVSS, KEV, EPSS, and threat context
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