Out-of-bounds read in libXtst's RECORD reply parser

• azl3 libXtst 1.2.4-1 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. Oct 29, 2026 at 10:10 AM UTC
   • Added affected products: azl3 libXtst 1.2.4-1 on Azure Linux 3.0.
   • Removed affected products: azl3 libical 3.0.10-1 on Azure Linux 3.0.
2. Oct 25, 2026 at 8:40 AM UTC
   • Added fixed versions: 1.2.6-1.
3. Oct 10, 2026 at 9:45 AM UTC
   • Added affected products: azl3 libical 3.0.10-1 on Azure Linux 3.0.
   • Removed affected products: azl3 python-jwt 2.13.0-1 on Azure Linux 3.0.
4. Oct 2, 2026 at 12:40 PM UTC
   • Added affected products: azl3 python-jwt 2.13.0-1 on Azure Linux 3.0.
   • Removed affected products: azl3 sudo 1.9.17-3 on Azure Linux 3.0.

1. Sep 29, 2026 at 1:07 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 29, 2026 at 11:40 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

3. Oct 25, 2026 at 1:45 AM UTC
   Updated by Microsoft Security Response Center

   The vendor changed the advisory after it was first published.

4. Nov 13, 2026 at 3:10 PM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.