The SCUP catalog contains information for the current release (PublicationState="Published") and references several previous releases (PublicationState="Expired"). What you're seeing is references to previous security releases (except for the Sept release, which was a security release).
For the releases you mention:
- Aug 13 (32.0.0.238) - not a security release, therefore, no APSB #. Previous releases included in this SCUP catalog:
- Jul (32.0.0.223) - not a security release, no APSB
- Jun (32.0.0.207) - security release, APSB19-30
- May (32.0.0.192) - security release, APSB19-26
- Sep 10 (32.0.0.255) - was a security release, APSB#19-46 is for this release. Previous releases included in this SCUP catalog:
- Aug (32.0.0.238) - not a security release, no APSB
- Jul (32.0.0.223) - not a security release, no APSB
- Jun (32.0.0.207) - security release, APSB19-30
- May (32.0.0.192) - security release, APSB19-26
- Oct 09 (32.0.0.270) - not a security release, therefore, no APSB #. Previous releases included in this SCUP catalog:
- Sep (32.0.0.255 - security release, APSB19-46
- Aug (32.0.0.238) - not a security release, no APSB
- Nov 13 (32.0.0.293) - not a security release, therefore, no APSB#. Previous releases included in this SCUP ctatalog:
- Oct (32.0.0.270) - not a security release, no APSB
- Sep (32.0.0.255) - security release, APSB19-46
- Dec 10 (32.0.0.303) - not a security release, therefore, no APSB#. Previous releases included in this SCUP ctatalog:
- Nov (32.0.0.293) - not a security release, no APSB
- Oct (32.0.0.270) - not a security release, no APSB
Since the Dec release doesn't include previous security releases it doesn't contain any APSB #s
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