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CVE-2026-14669

CWE-122

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

CVSS Score
8.8
High
EPSS — Exploit Probability
0.7%
Riskier than 50% of all CVEs · checked 2026-10-03
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
Patch available
Vendor fix published
NVD entry Vendor patch PoC / advisory

1 article across 1 outlet · first covered Aug 24, 2026 · latest Aug 24, 2026

Coverage timeline