Buffer Over-read Affecting postgresql15-upgrade-devel-debuginfo package, versions <0:15.19-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-AMZN2023-POSTGRESQL15UPGRADEDEVELDEBUGINFO-19470916
  • published1 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

NewCVE-2026-14678  (opens in a new tab)
CWE-126  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 postgresql15-upgrade-devel-debuginfo 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-upgrade-devel-debuginfo package and not the postgresql15-upgrade-devel-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

CVSS Base Scores

version 3.1