Vulnerability in core server (CVE-2026-14680)

PostgreSQL type confusion via "internal" arguments 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 type. Type "internal" represents a class of...

Vulnerability in core server (CVE-2026-14669)

PostgreSQL tochar heap buffer overflow executes arbitrary code Heap buffer overflow in PostgreSQL tochartimestamptz 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 PostgreSQ...

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 client (CVE-2026-19385)

PostgreSQL pgdump heap buffer overflow executes arbitrary code Heap buffer overflow in PostgreSQL pgdump of long function transform lists allows an object creator to execute arbitrary code as the operating system user running pgdump, via a crafted transform list. Versions before PostgreSQL 18.6,...

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 contrib module (CVE-2026-14676)

PostgreSQL pgstatstatements heap buffer overflow executes arbitrary code Heap buffer overflow in PostgreSQL pgstatstatements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array constants. Within major version 18...

Vulnerability in contrib module (CVE-2026-14671)

PostgreSQL refint plan cache type confusion executes arbitrary code 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 report, and the fix appear in the g...

Vulnerability in core server (CVE-2026-14668)

PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read 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 chose...

CVE-2026-14670: Heap-based Buffer Overflow

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. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected...

CVE-2026-16241: Integer Underflow (Wrap or Wraparound)

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 bytes outside attacker knowledge or control. This...

Vulnerability in core server (CVE-2026-14677)

PostgreSQL 32-bit pltcl and plperl undersize allocations, via integer wraparound 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 may execute arbitra...

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...

CVE-2026-15742: Integer Overflow or Wraparound

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 inputs to SQL function levenshtein or levenshteinlessequal. Versions before PostgreSQL 18.5, 17.11,...

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-2026-14664)

PostgreSQL regexp heap buffer overflow executes arbitrary code 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. This shares heritage with CVE-2026-2006,...

Vulnerability in core server (CVE-2026-14679)

PostgreSQL stack buffer overflow in argument match writes 0x0 and 0x1 to server memory 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 before PostgreSQL...

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 core server (CVE-2026-6471)

PostgreSQL logical decoding can dlopen arbitrary file 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 choice of logical decoding plugin. This in turn ru...

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 client (CVE-2026-6464)

PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands 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 STDIN" command fai...