CVE-2026-116322
Public on 2026-11-12
Modified on 2026-11-14
Description
Improper locking in PostgreSQL startup processing allows an unauthenticated network client to trigger a server restart, via arranging for authentication_timeout to arrive while it holds a spinlock during cancel handling. Within major version 18, minor versions before PostgreSQL 18.7 are affected. Versions before PostgreSQL 18 are unaffected.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Postgresql14 Extra | libpq | Not Affected | ||
| Amazon Linux 2023 | libpq | Not Affected | ||
| Amazon Linux 2027 Preview | libpq | Not Affected | ||
| Amazon Linux 2 - Core | postgresql | Not Affected | ||
| Amazon Linux 2 - Postgresql14 Extra | postgresql | Not Affected | ||
| Amazon Linux 2023 | postgresql15 | Not Affected | ||
| Amazon Linux 2023 | postgresql16 | Not Affected | ||
| Amazon Linux 2027 Preview | postgresql16 | Not Affected | ||
| Amazon Linux 2023 | postgresql17 | Not Affected | ||
| Amazon Linux 2027 Preview | postgresql17 | Not Affected | ||
| Amazon Linux 2023 | postgresql18 | Pending Fix | ||
| Amazon Linux 2027 Preview | postgresql18 | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |