Unbounded allocation for old GNU sparse in archive/tar

• azl3 containerized-data-importer 1.62.0-3 on Azure Linux 3.0

• azl3 gh 2.62.0-15 on Azure Linux 3.0

• azl3 moby-engine 25.0.3-17 on Azure Linux 3.0

• azl3 skopeo 1.14.4-10 on Azure Linux 3.0

• cbl2 moby-engine 24.0.9-19 on CBL-Mariner 2.0

• cbl2 msft-golang 1.25.8-1 on CBL-Mariner 2.0

• cbl2 containerized-data-importer 1.55.0-28 on CBL Mariner 2.0

• cbl2 cri-o 1.22.3-20 on CBL Mariner 2.0

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 8, 2026 at 9:05 AM UTC
   • CVSS changed from 5.5 to 6.5.
   • Added affected products: azl3 golang 1.27.0-1 on Azure Linux 3.0, cbl2 containerized-data-importer 1.55.0-28 on CBL-Mariner 2.0, cbl2 cri-o 1.22.3-20 on CBL-Mariner 2.0, cbl2 moby-engine 24.0.9-19 on CBL-Mariner 2.0, cbl2 msft-golang 1.25.8-1 on....
   • The vendor changed its remediation guidance.

1. Apr 11, 2026 at 1:06 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 25, 2026 at 2:38 AM UTC
   Updated by Microsoft Security Response Center

   The vendor changed the advisory after it was first published.

3. Sep 27, 2026 at 11:11 PM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

4. Nov 10, 2026 at 2:00 AM UTC
   Confirmed at the source

   Our collector saw this advisory during a later source check.