CVE-2026-6637: Stack-based Buffer Overflow

Stack buffer overflow in PostgreSQL module "refint" allows an unprivileged database user to execute arbitrary code as the operating system user running the database. A distinct attack is possible if the application declares a user-controlled column as a "refint" cascade primary key and facilitate...

CVE-2026-6638: Improper Neutralization of Special Elements used in an SQL Command

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

PostgreSQL SQL injection vulnerability

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Versions of PostgreSQL prior to 18.4, 17.10, and 16.14 have SQL...

PostgreSQL SQL injection vulnerability

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Versions of PostgreSQL prior to 18.4, 17.10, 16.14, 15.18, and...

PostgreSQL security vulnerabilities

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Security vulnerabilities existed in versions prior to PostgreSQL...

PostgreSQL security vulnerabilities

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Vulnerabilities existed in versions prior to PostgreSQL 18.4,...

PostgreSQL input validation error vulnerability

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Versions of PostgreSQL prior to 18.4, 17.10, 16.14, 15.18, and...

CVE-2026-6472: Missing Authorization

Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions before PostgreSQL...

CVE-2026-6473: Integer Overflow or Wraparound

Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user...

CVE-2026-6474: Use of Externally-Controlled Format String

Externally-controlled format string in PostgreSQL timeofday function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected...

CVE-2026-6477: Use of Inherently Dangerous Function

Use of inherently dangerous function PQfn..., resultisint=0, ... in PostgreSQL libpq loexport, loread, lolseek64, and lotell64 functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-large response. Like gets, PQfn..., resultisint=0, ... stores arbitrary-lengt...

PostgreSQL formatting string error vulnerability

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Versions of PostgreSQL prior to 18.4, 17.10, 16.14, 15.18, and...

PostgreSQL security vulnerabilities

PostgreSQL is a set of free object-relational database management systems developed by the PostgreSQL organization. This system supports most SQL standards and offers many other features, such as foreign keys, triggers, views, etc. Vulnerabilities existed in versions prior to PostgreSQL 18.4,...

PT-2026-40918

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description Integer wraparound in multiple server features allows an...

PT-2026-40926

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description A stack buffer overflow in the "refint" module allows an...

PT-2026-40917

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description Missing authorization in the CREATE TYPE command allows a...

PT-2026-40921

Name of the Vulnerable Software and Affected Versions PostgreSQL versions 17.0 through 17.9 PostgreSQL versions 18.0 through 18.3 Description SQL injection in the pg createsubscriber function allows an attacker with pg create subscription rights to execute arbitrary SQL commands with superuser...

PT-2026-40924

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description Uncontrolled recursion during SSL and GSS negotiation...

Vulnerability in core server (CVE-2026-6474)

PostgreSQL timeofday can disclose portions of server memory Externally-controlled format string in PostgreSQL timeofday function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected...

Vulnerability in core server (CVE-2026-6472)

PostgreSQL CREATE TYPE does not check multirange schema CREATE privilege Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute...