libssh2 Heap Out-of-Bounds Read via publickey subsystem

• azl3 libssh2 1.11.1-4 on Azure Linux 3.0

• azl3 rust 1.75.0-30 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 28, 2026 at 11:20 AM UTC
   • Removed affected products: azl3 rust 1.96.1-1 on Azure Linux 3.0.

1. Jul 26, 2026 at 1:03 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 3, 2026 at 11:40 PM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

3. Sep 15, 2026 at 1:47 AM UTC
   Updated by Microsoft Security Response Center

   The vendor changed the advisory after it was first published.

4. Oct 28, 2026 at 9:50 AM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.