CVE-2026-14669

HIGHCVSS 8.8/10EPSS 0.58%

Last modified

CVE-2026-14669 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.58%

45.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PostgresqlPostgresql>= 14.0, < 14.24
PostgresqlPostgresql>= 15.0, < 15.19
PostgresqlPostgresql>= 16.0, < 16.15
PostgresqlPostgresql>= 17.0, < 17.11
PostgresqlPostgresql>= 18.0, < 18.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2026-14669?
CVE-2026-14669 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.
How do I fix CVE-2026-14669?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-14669?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST