Bug 2524939 - CVE-2026-16239 mingw-postgresql: PostgreSQL: Arbitrary code execution via type confusion in cursor lifecycle [fedora-all]
Summary: CVE-2026-16239 mingw-postgresql: PostgreSQL: Arbitrary code execution via typ...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: mingw-postgresql
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Michael Cronenworth
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["bc252fa5-b5a6-4032-84b3-c...
Depends On:
Blocks: CVE-2026-16239
TreeView+ depends on / blocked
 
Reported: 2026-08-27 11:50 UTC by Srikanth Balasubramanian
Modified: 2026-08-27 11:50 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Srikanth Balasubramanian 2026-08-27 11:50:38 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with different types.  Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
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