CVE-2026-2005

PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

Version Information

Affected Version	Fixed In
18	18.2
17	17.8
16	16.12
15	15.16
14	14.21

For more information about PostgreSQL versioning, please visit the versioning page.

CVSS 3.0

Overall Score	8.8
Component	contrib module
Vector	AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reporting Security Vulnerabilities

If you wish to report a new security vulnerability in PostgreSQL, please send an email to security@postgresql.org.

For reporting non-security bugs, please see the Report a Bug page.