Is PostgreSQL 18.4 affected?

Vulnerabilities affecting 18.4

• 8.8
  CVE-2026-18408 Untrusted data inclusion in pg_dump in PostgreSQL allows a malicious superuser of the origin server to inject arbitrary code for restore-time execution as the client operating system account runnin… fixed in 18.5
• 8.8
  CVE-2026-19385 Heap buffer overflow in PostgreSQL pg_dump of long function transform lists allows an object creator to execute arbitrary code as the operating system user running pg_dump, via a crafted transform… fixed in 18.5
• 8.8
  CVE-2026-15742 Integer wraparound in PostgreSQL fuzzystrmatch allows a user to direct writes to a huge range of addresses, executing arbitrary code as the operating system user running the database, via extreme i… fixed in 18.5
• 8.8
  CVE-2026-16238 Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirang… fixed in 18.5
• 8.8
  CVE-2026-16239 Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with di… fixed in 18.5
• 8.8
  CVE-2026-14677 Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This… fixed in 18.5
• 8.8
  CVE-2026-14680 Type confusion with PostgreSQL "internal" data type arguments allows any user to execute arbitrary code as the operating system user running the database, via calls to functions with that argument… fixed in 18.5
• 8.8
  CVE-2026-15741 SQL injection in PostgreSQL EXTRACT() deparse allows an object owner to execute arbitrary SQL as a superuser via a hostile object definition. Attacks affect expression deparse consumers broadly, i… fixed in 18.5
• 8.8
  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… fixed in 18.5
• 8.8
  CVE-2026-14670 Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body.… fixed in 18.5
• 8.8
  CVE-2026-14671 Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operating system user running the database. The fix for this emerged as a non-security bug re… fixed in 18.5
• 8.8
  CVE-2026-14676 Heap buffer overflow in PostgreSQL pg_stat_statements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array const… fixed in 18.5
• 8.8
  CVE-2026-14662 Integer wraparound in PostgreSQL tsvector and tsquery data type functions allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds, via crafted la… fixed in 18.5
• 8.8
  CVE-2026-14664 Heap buffer overflow in PostgreSQL regexp allows the query author to execute arbitrary code as the operating system user running the database, via text that would not pass encoding validation. Thi… fixed in 18.5
• 8.2
  CVE-2026-14679 Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count. The attack can write only 0x0 and 0x1 bytes. Versions befor… fixed in 18.5
• 8.1
  CVE-2026-6464 Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM S… fixed in 18.5
• 8.1
  CVE-2026-14668 Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a… fixed in 18.5
• 7.2
  CVE-2026-6471 Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to dlopen any file visible to the operating system account running the server, via the choi… fixed in 18.5
• 6.5
  CVE-2026-14663 Cleartext storage in PostgreSQL pgcrypto disabled ciphers allows a user to recover cleartext, via direct observation of the faulty ciphertext. The OpenSSL version and OpenSSL configuration determi… fixed in 18.5
• 5.3
  CVE-2026-14672 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 probed… fixed in 18.5
• 4.3
  CVE-2026-6470 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 operation… fixed in 18.5
• 4.3
  CVE-2026-18024 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… fixed in 18.5
• 4.3
  CVE-2026-14678 Buffer over-read in PostgreSQL pg_trgm 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 s… fixed in 18.5
• 4.2
  CVE-2026-14681 Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf tha… fixed in 18.5
• 4.2
  CVE-2026-14666 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 requ… fixed in 18.5
• 3.8
  CVE-2026-6469 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… fixed in 18.5
• 3.8
  CVE-2026-16241 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. T… fixed in 18.5
• 3.8
  CVE-2026-14673 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,… fixed in 18.5

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