CVE-2026-19642 & CVE-2026-19643 - Memory-safety issues in the Base64 decoder in the AWS SDK for C++

A separate affected-products list was not included in the collected bulletin.

Separate remediation guidance was not included in the collected bulletin.

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. Oct 22, 2026 at 4:40 AM UTC
   • The vendor changed the advisory's last-updated date.
2. Sep 24, 2026 at 9:45 PM UTC
   • The vendor changed the advisory summary.
3. Sep 9, 2026 at 9:50 PM UTC
   • The vendor changed the advisory's last-updated date.
4. Sep 9, 2026 at 9:30 PM UTC
   • The vendor changed the advisory's last-updated date.
5. Aug 20, 2026 at 9:50 PM UTC
   • The vendor changed the advisory's last-updated date.

1. Aug 20, 2026 at 2:20 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

2. Oct 21, 2026 at 7:53 PM UTC
   Published by AWS

   The publication date reported by the vendor.

3. Oct 22, 2026 at 4:40 PM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.