pip absolute path traversal during download from malicious package indexes

• azl3 python-virtualenv 20.36.1-5 on Azure Linux 3.0

• azl3 python-pip 24.2-10 on Azure Linux 3.0

• azl3 python-virtualenv 20.36.1-6 on Azure Linux 3.0

• azl3 python-pip 24.2-9 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
   • Added affected products: azl3 python-pip 24.2-10 on Azure Linux 3.0, azl3 python-virtualenv 20.36.1-6 on Azure Linux 3.0.

1. Aug 7, 2026 at 1:00 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 13, 2026 at 1:46 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.