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Microsoft Security Response CenterCVE-2026-56859

Add recursion depth guard during decode in encoding/xml

Mariner

Read the vendor bulletin Get alerts for azl3 gcc 13.2.0-7 on Azure Linux
7.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • azl3 gcc 13.2.0-7 on Azure Linux 3.0
  • azl3 golang 1.25.12-1 on Azure Linux 3.0
  • azl3 golang 1.26.5-2 on Azure Linux 3.0
  • azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
  • azl3 tensorflow 2.16.1-11 on Azure Linux 3.0
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.

    • The vendor changed the advisory's last-updated date.
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. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-56859View CVSS, KEV, EPSS, and threat context
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