High severity8.8NVD Advisory· Published Nov 12, 2026
CVE-2026-116323
CVE-2026-116323
Description
Use after free in PostgreSQL pltcl allows an object creator to execute arbitrary code as the operating system user running the database, via a domain CHECK that re-enters the Tcl interpreter and frees or changes a string still used by the outer result conversion. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
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Affected products
1- Range: <18.7, <17.12, <16.16, <15.20, <14.25
Patches
Vulnerability mechanics
References
1News mentions
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