Untrusted Sender DN Used as Format String in CMP Response Validation

• azl3 kata-containers 3.32.0.kata0-2 on Azure Linux 3.0

• azl3 rust 1.75.0-30 on Azure Linux 3.0

• azl3 openssl 3.3.7-6 on Azure Linux 3.0

• azl3 cloud-hypervisor 51.1.101-2 on Azure Linux 3.0

• azl3 openssl 3.3.7-4 on Azure Linux 3.0

• azl3 rust 1.90.0-10 on Azure Linux 3.0

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

1. Sep 27, 2026 at 11:11 PM UTC
   • Severity changed from Critical to Medium.
   • CVSS changed from 9.8 to 7.4.
   • Added affected products: azl3 openssl 3.3.7-6 on Azure Linux 3.0.
   • Removed affected products: azl3 openvmm 0.1.0-1 on Azure Linux 3.0.
   • Added fixed versions: 3.3.7-6.
2. Sep 4, 2026 at 11:50 AM UTC
   • Severity changed from Medium to Critical.
   • CVSS changed from 7.4 to 9.8.
   • Added affected products: azl3 openvmm 0.1.0-1 on Azure Linux 3.0.
   • The vendor changed its remediation guidance.

1. Aug 27, 2026 at 1:12 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 2, 2026 at 11:10 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

3. Sep 13, 2026 at 1:50 AM UTC
   Updated by Microsoft Security Response Center

   The vendor changed the advisory after it was first published.

4. Oct 28, 2026 at 3:45 AM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.