Vulnerability in core server (CVE-2013-1901)

An unprivileged user can run commands that could interfere with in-progress backups...

Vulnerability in packaging (CVE-2019-10211)

Windows installer bundled OpenSSL executes code from unprotected directory When the database server or libpq client library initializes SSL, libeay32.dll attempts to read configuration from a hard-coded directory. Typically, the directory does not exist, but any local user could create it and...

Vulnerability in client (CVE-2020-25696)

psql's \gset allows overwriting specially treated variables The \gset meta-command, which sets psql variables based on query results, does not distinguish variables that control psql behavior. If an interactive psql session uses \gset when querying a compromised server, the attacker can execute...

Vulnerability in core server (CVE-2024-7348)

PostgreSQL relation replacement during pgdump executes arbitrary SQL Time-of-check Time-of-use TOCTOU race condition in pgdump in PostgreSQL allows an object creator to execute arbitrary SQL functions as the user running pgdump, which is often a superuser. The attack involves replacing another...

Vulnerability in core server (CVE-2009-4136)

Privilege escalation via changing session state in an index function. This closes a corner case related to vulnerabilities CVE-2009-3230 and CVE-2007-6600 below...

Vulnerability in core server (CVE-2025-4207)

PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit proces...

Vulnerability in client (CVE-2020-25694)

Reconnection can downgrade connection security settings Many PostgreSQL-provided client applications have options that create additional database connections. Some of those applications reuse only the basic connection parameters e.g. host, user, port, dropping others. If this drops a...

Vulnerability in core server (CVE-2026-14681)

PostgreSQL improper enforcement of GSSAPI encryption when coupled with SSL Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pghba.conf rules, via initial direct TLS connection. Despite a pghba.conf that appears to require GSSAPI,...

Vulnerability in contrib module (CVE-2026-14673)

PostgreSQL amcheck does not clear untrusted search path Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before...

Vulnerability in core server (CVE-2026-6470)

PostgreSQL fails to check type USAGE privilege Missing authorization in PostgreSQL DDL commands allows an object creator to achieve denial of service against ALTER and DROP of the type, via creating a dependency on the type. Many DDL operations did check the privilege, but assigning a range subty...

Vulnerability in core server (CVE-2026-18024)

PostgreSQL ascii function reads past end of buffer Buffer over-read in PostgreSQL ascii SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation, via a crafted text value. This is the same class of defect that CVE-2026-2006 fixed, though this instance has less...

Vulnerability in core server (CVE-2026-14672)

PostgreSQL observable response discrepancy with non-default scramiterations provides user existence oracle Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the...

Vulnerability in core server (CVE-2021-32027)

Buffer overrun from integer overflow in array subscripting calculations While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The PostgreSQL project thanks Tom Lane for reporting this problem...

Vulnerability in core server (CVE-2026-6469)

PostgreSQL ALTER TABLE ALTER TYPE resets extended statistics ownership Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent statistics objects to the current user. This wrongly allows the table owner to run DROP STATISTICS and ALTER STATISTI...

Vulnerability in core server (CVE-2023-5869)

Buffer overrun from integer overflow in array modification While modifying certain SQL array values, missing overflow checks let authenticated database users write arbitrary bytes to a memory area that facilitates arbitrary code execution. Missing overflow checks also let authenticated database...

Vulnerability in core server (CVE-2026-14666)

PostgreSQL row security caching disregards role modifications Incomplete tracking in PostgreSQL of changes to role membership, role attributes, and database ownership allows a query to continue using cached row-level security policies after those changes require a different policy, via plan reuse...

Vulnerability in core server (CVE-2021-32028)

Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an attacker can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and...

Vulnerability in core server (CVE-2020-25695)

Multiple features escape "security restricted operation" sandbox An attacker having permission to create non-temporary objects in at least one schema can execute arbitrary SQL functions under the identity of a superuser. While promptly updating PostgreSQL is the best remediation for most users, a...

Vulnerability in packaging (CVE-2019-3466)

pgctlcluster script in postgresql-common does not drop privileges when creating socket/statistics temporary directories A PostgreSQL superuser could escalate to root using a deficiency in the pgctlcluster command. pgctlcluster is a utility provided by the "postgresql-common" package that is...

Vulnerability in client (CVE-2026-16241)

PostgreSQL ECPG integer underflow can crash the client Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with...

Vulnerability in contrib module (CVE-2026-14678)

PostgreSQL pgtrgm picksplit reads past end of buffer Buffer over-read in PostgreSQL pgtrgm index picksplit function reads past end of a heap buffer. This might allow a table maintainer to infer limited memory values, via the lossy signal of index split choices. Versions before PostgreSQL 18.5,...

Vulnerability in core server (CVE-2009-3229)

Authenticated non-superusers can shut down the backend server by re-LOAD-ing libraries in $libdir/plugins, if any libraries are present there...

Vulnerability in core server (CVE-2009-4034)

NULL Bytes in SSL Certificates can be used to falsify client or server authentication. This only affects users who have SSL enabled, perform certificate name validation or client certificate authentication, and where the Certificate Authority CA has been tricked into issuing invalid certificates...

Vulnerability in core server (CVE-2024-0985)

PostgreSQL non-owner REFRESH MATERIALIZED VIEW CONCURRENTLY executes arbitrary SQL UPDATE June 19, 2024 : Added v16 as impacted. Updated description to clarify the attack vector. Late privilege drop in REFRESH MATERIALIZED VIEW CONCURRENTLY in PostgreSQL allows an object creator to execute...

Vulnerability in core server (CVE-2009-0922)

It is possible to cause a momentary denial of service when there is a failure to convert a localized error message to the client-specified encoding. A valid login is required to exploit this vulnerability...

Vulnerability in packaging (CVE-2019-10210)

Windows installer writes superuser password to unprotected temporary file The EnterpriseDB Windows installer writes a password to a temporary file in its installation directory, creates initial databases, and deletes the file. During those seconds while the file exists, a local attacker can read...

Vulnerability in core server (CVE-2020-1720)

ALTER ... DEPENDS ON EXTENSION is missing authorization checks. The ALTER ... DEPENDS ON EXTENSION sub-commands do not perform authorization checks, which can allow an unprivileged user to drop any function, procedure, materialized view, index, or trigger under certain conditions. This attack is...

Vulnerability in core server (CVE-2009-3230)

The fix for issue CVE-2007-6600 below failed to include protection against misuse of RESET SESSION AUTHORIZATION...

Vulnerability in core server (CVE-2024-10979)

PostgreSQL PL/Perl environment variable changes execute arbitrary code Incorrect control of environment variables in PostgreSQL PL/Perl allows an unprivileged database user to change sensitive process environment variables e.g. PATH. That often suffices to enable arbitrary code execution, even if...

Vulnerability in core server (CVE-2021-3677)

Memory disclosure in certain queries A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include...

Vulnerability in core server (CVE-2009-3231)

If PostgreSQL is configured with LDAP authentication, and your LDAP configuration allows anonymous binds, it is possible for a user to authenticate themselves with an empty password...

Vulnerability in core server (CVE-2019-10209)

Memory disclosure in cross-type comparison for hashed subplan In a database containing hypothetical, user-defined hash equality operators, an attacker could read arbitrary bytes of server memory. For an attack to become possible, a superuser would need to create unusual operators. It is possible...

Vulnerability in core server (CVE-2006-0105)

On Windows only, the postmaster will exit if too many connection requests arrive simultaneously. This does not affect existing database connections, but will prevent new connections from being established until the postmaster is manually restarted...

Vulnerability in core server (CVE-2023-39417)

Extension script @substitutions@ within quoting allow SQL injection An extension script is vulnerable if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct dollar quoting, '', or "". No bundled extension is vulnerable. Vulnerable uses do appear in a documentation examp...

Vulnerability in client (CVE-2024-10977)

PostgreSQL libpq retains an error message from man-in-the-middle Client use of server error message in PostgreSQL allows a server not trusted under current SSL or GSS settings to furnish arbitrary non-NUL bytes to the libpq application. For example, a man-in-the-middle attacker could send a long...

Vulnerability in core server (CVE-2020-14350)

Uncontrolled search path element in CREATE EXTENSION When a superuser runs certain CREATE EXTENSION statements, users may be able to execute arbitrary SQL functions under the identity of that superuser. The attacker must have permission to create objects in the new extension's schema or a schema ...

Vulnerability in core server (CVE-2015-3166)

Unanticipated errors from the standard library...

Vulnerability in core server (CVE-2005-0244)

EXECUTE permissions are not properly checked when creating aggregates. A valid login is required to exploit this vulnerability...

Vulnerability in core server (CVE-2024-10978)

PostgreSQL SET ROLE, SET SESSION AUTHORIZATION reset to wrong user ID Incorrect privilege assignment in PostgreSQL allows a less-privileged application user to view or change different rows from those intended. An attack requires the application to use SET ROLE, SET SESSION AUTHORIZATION, or an...

Vulnerability in core server (CVE-2019-10208)

TYPE in pgtemp executes arbitrary SQL during SECURITY DEFINER execution Given a suitable SECURITY DEFINER function, an attacker can execute arbitrary SQL under the identity of the function owner. An attack requires EXECUTE permission on the function, which must itself contain a function call havi...

Vulnerability in core server (CVE-2025-1094)

PostgreSQL quoting APIs miss neutralizing quoting syntax in text that fails encoding validation Improper neutralization of quoting syntax in PostgreSQL libpq functions PQescapeLiteral, PQescapeIdentifier, PQescapeString, and PQescapeStringConn allows a database input provider to achieve SQL...

Vulnerability in core server (CVE-2025-8715)

PostgreSQL pgdump newline in object name executes arbitrary code in psql client and in restore target server Improper neutralization of newlines in pgdump in PostgreSQL allows a user of the origin server to inject arbitrary code for restore-time execution as the client operating system account...

Vulnerability in core server (CVE-2024-4317)

Restrict visibility of "pgstatsext" and "pgstatsextexprs" entries to the table owner Missing authorization in PostgreSQL built-in views pgstatsext and pgstatsextexprs allows an unprivileged database user to read most common values and other statistics from CREATE STATISTICS commands of other user...

Vulnerability in packaging (CVE-2019-10128)

EnterpriseDB Windows installer does not clear permissive ACL entries Due to both the EnterpriseDB and BigSQL Windows installers not locking down the permissions of the PostgreSQL binary installation directory and the data directory, an unprivileged Windows user account and an unprivileged...

Vulnerability in core server (CVE-2021-20229)

Single-column SELECT privilege enables reading all columns A user having a SELECT privilege on an individual column can craft a special query that returns all columns of the table. Additionally, a stored view that uses column-level privileges will have incomplete column-usage bitmaps. In...

Vulnerability in packaging (CVE-2020-10733)

Windows installer runs executables from uncontrolled directories The Windows installer for PostgreSQL invokes system-provided executables that do not have fully-qualified paths. Executables in the directory where the installer loads or the current working directory take precedence over the intend...

Vulnerability in core server (CVE-2023-5870)

Role "pgsignalbackend" can signal certain superuser processes Documentation says the pgsignalbackend role cannot signal "a backend owned by a superuser". On the contrary, it can signal background workers, including the logical replication launcher. It can signal autovacuum workers and the...

Vulnerability in core server (CVE-2019-10130)

Selectivity estimators bypass row security policies PostgreSQL maintains statistics for tables by sampling data available in columns; this data is consulted during the query planning process. Prior to this release, a user able to execute SQL queries with permissions to read a given column could...

Vulnerability in core server (CVE-2021-32029)

Memory disclosure in partitioned-table UPDATE ... RETURNING Using an UPDATE ... RETURNING on a purpose-crafted partitioned table, an attacker can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can create prerequisite objects and complete this...

Vulnerability in client (CVE-2021-23222)

libpq processes unencrypted bytes from man-in-the-middle A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption. If more preconditions hold, the attacker can exfiltrate the client's password or othe...