This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-14669 →

DEBIAN-CVE-2026-14669

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 postgresql-15

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.19-0+deb12u1"}]}]

Debian:13 postgresql-17

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"17.11-0+deb13u1"}]}]

Debian:14 postgresql-18

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.6-1"}]}]

References

advisory security-tracker.debian.org