tarfile extraction filter bypass allows creation of directories outside the destination

• azl3 python-py 1.11.0-1 on Azure Linux 3.0

• azl3 python3 3.12.9-14 on Azure Linux 3.0

• azl3 python3 3.12.14-2 on Azure Linux 3.0

• azl3 python3 3.12.14-1 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 25, 2026 at 8:40 AM UTC
   • Added affected products: azl3 python-py 1.11.0-1 on Azure Linux 3.0.
2. Oct 2, 2026 at 12:40 PM UTC
   • The vendor changed the advisory's last-updated date.
3. Sep 27, 2026 at 11:11 PM UTC
   • Added affected products: azl3 python3 3.12.14-1 on Azure Linux 3.0, azl3 python3 3.12.14-2 on Azure Linux 3.0.
   • Added fixed versions: 3.12.14-2.
   • The vendor changed its remediation guidance.

1. Aug 23, 2026 at 1:04 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Aug 25, 2026 at 8:30 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

3. Oct 23, 2026 at 2:43 PM 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.