CVE-2026-18024 Affecting postgresql15-server package, versions <0:15.19-1.amzn2023.0.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2023-POSTGRESQL15SERVER-19470234
- published1 Sept 2026
- disclosed13 Aug 2026
Introduced: 13 Aug 2026
NewCVE-2026-18024 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2023 postgresql15-server to version 0:15.19-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-2077.
NVD Description
Note: Versions mentioned in the description apply only to the upstream postgresql15-server package and not the postgresql15-server package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.
Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation, via a crafted text value. This is the same class of defect that CVE-2026-2006 fixed, though this instance has less impact. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.