Use of Externally-Controlled Format String Affecting postgresql16-llvmjit-debuginfo package, versions <0:16.14-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.21% (11th percentile)

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  • Snyk IDSNYK-AMZN2023-POSTGRESQL16LLVMJITDEBUGINFO-17289367
  • published10 Jun 2026
  • disclosed14 May 2026

Introduced: 14 May 2026

CVE-2026-6474  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 postgresql16-llvmjit-debuginfo to version 0:16.14-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1767.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql16-llvmjit-debuginfo package and not the postgresql16-llvmjit-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.

CVSS Base Scores

version 3.1