Servers and applications
CVE-2026-6473
Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation…
- Severity
- High 8.8
- Published
- 14 May 2026
- Last changed
- 25 Aug 2026
- Added to UpHeron
- 16 Oct 2026
- Fixed in
- 14.23, 15.18, 16.14, 17.10, 18.4
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
PostgreSQLServers and applications · cpe:a:postgresql:postgresql |
|