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Microsoft Security Response CenterCVE-2026-40930

LIBPNG: Chunk smuggling in push-mode APNG parser via unconsumed chunk body

Mariner

Read the vendor bulletin Get alerts for azl3 libpng 1.6.58-1 on Azure Linux
5.4CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • azl3 libpng 1.6.58-1 on Azure Linux 3.0
  • azl3 qtbase 6.6.3-4 on Azure Linux 3.0
  • azl3 tensorflow 2.16.1-11 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. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-40930View CVSS, KEV, EPSS, and threat context
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