<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="../assets/feed.xsl"?><rss version="2.0"><channel><title>PatchTheCVE: postgresql</title><link>https://patchthecve.com/</link><description>CVEs with upgrade or downgrade fix steps</description><item><title>CVE-2026-6471: Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to d</title><link>https://patchthecve.com/cve/CVE-2026-6471.html</link><guid>https://patchthecve.com/cve/CVE-2026-6471.html</guid><pubDate>Sat, 29 Aug 2026 23:17:23 +0000</pubDate><description>HIGH 7.2: 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 runs arbitrary code as that account.  Versions before Post</description></item><item><title>CVE-2026-6470: Missing authorization in PostgreSQL DDL commands allows an object creator to achieve denial of service against</title><link>https://patchthecve.com/cve/CVE-2026-6470.html</link><guid>https://patchthecve.com/cve/CVE-2026-6470.html</guid><pubDate>Sat, 29 Aug 2026 23:17:22 +0000</pubDate><description>MEDIUM 4.3: 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 subtype and referencing the type from an SQL expressio</description></item><item><title>CVE-2026-6469: Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent s</title><link>https://patchthecve.com/cve/CVE-2026-6469.html</link><guid>https://patchthecve.com/cve/CVE-2026-6469.html</guid><pubDate>Sat, 29 Aug 2026 23:17:22 +0000</pubDate><description>LOW 3.8: 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 STATISTICS via this improper ownership.  It wrongly denies those commands to the </description></item><item><title>CVE-2026-6464: Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data </title><link>https://patchthecve.com/cve/CVE-2026-6464.html</link><guid>https://patchthecve.com/cve/CVE-2026-6464.html</guid><pubDate>Sat, 29 Aug 2026 23:17:21 +0000</pubDate><description>HIGH 8.1: 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 &quot;COPY FROM STDIN&quot; or &quot;\copy FROM STDIN&quot; command fails before the server indicates that it awaits input rows, psql processes the in-line d</description></item><item><title>CVE-2026-19385: Heap buffer overflow in PostgreSQL pg_dump of long function transform lists allows an object creator to execut</title><link>https://patchthecve.com/cve/CVE-2026-19385.html</link><guid>https://patchthecve.com/cve/CVE-2026-19385.html</guid><pubDate>Sat, 29 Aug 2026 23:17:21 +0000</pubDate><description>HIGH 8.8: 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 list.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.</description></item><item><title>CVE-2026-18408: Untrusted data inclusion in pg_dump in PostgreSQL allows a malicious superuser of the origin server to inject </title><link>https://patchthecve.com/cve/CVE-2026-18408.html</link><guid>https://patchthecve.com/cve/CVE-2026-18408.html</guid><pubDate>Sat, 29 Aug 2026 23:17:20 +0000</pubDate><description>HIGH 8.8: 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 running psql to restore the dump, via psql \restrict meta-command input expansion.  The fix for CVE-2025-8714</description></item><item><title>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</title><link>https://patchthecve.com/cve/CVE-2026-18024.html</link><guid>https://patchthecve.com/cve/CVE-2026-18024.html</guid><pubDate>Sat, 29 Aug 2026 23:17:20 +0000</pubDate><description>MEDIUM 4.3: 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 impact.  Versions before PostgreSQL 18.6, 17.11, 16.</description></item><item><title>CVE-2026-16241: Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of ser</title><link>https://patchthecve.com/cve/CVE-2026-16241.html</link><guid>https://patchthecve.com/cve/CVE-2026-16241.html</guid><pubDate>Sat, 29 Aug 2026 23:17:19 +0000</pubDate><description>LOW 3.8: 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 typic</description></item><item><title>CVE-2026-16239: Type confusion in PostgreSQL &quot;portal&quot;/cursor lifecycle allows a user to execute arbitrary code as the operatin</title><link>https://patchthecve.com/cve/CVE-2026-16239.html</link><guid>https://patchthecve.com/cve/CVE-2026-16239.html</guid><pubDate>Sat, 29 Aug 2026 23:17:19 +0000</pubDate><description>HIGH 8.8: Type confusion in PostgreSQL &quot;portal&quot;/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 different types.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.</description></item><item><title>CVE-2026-16238: Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code a</title><link>https://patchthecve.com/cve/CVE-2026-16238.html</link><guid>https://patchthecve.com/cve/CVE-2026-16238.html</guid><pubDate>Sat, 29 Aug 2026 23:17:19 +0000</pubDate><description>HIGH 8.8: 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 multirange values.  Within major version 18, minor versions before PostgreSQL 18.6 are affected.  Versions befor</description></item><item><title>CVE-2026-15742: Integer wraparound in PostgreSQL fuzzystrmatch allows a user to direct writes to a huge range of addresses, ex</title><link>https://patchthecve.com/cve/CVE-2026-15742.html</link><guid>https://patchthecve.com/cve/CVE-2026-15742.html</guid><pubDate>Sat, 29 Aug 2026 23:17:18 +0000</pubDate><description>HIGH 8.8: 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 levenshtein_less_equal().  Versions before PostgreSQL 18.6, 17.1</description></item><item><title>CVE-2026-15741: SQL injection in PostgreSQL EXTRACT() deparse allows an object owner to execute arbitrary SQL as a superuser v</title><link>https://patchthecve.com/cve/CVE-2026-15741.html</link><guid>https://patchthecve.com/cve/CVE-2026-15741.html</guid><pubDate>Sat, 29 Aug 2026 23:17:18 +0000</pubDate><description>HIGH 8.8: 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, including pg_dump, psql commands like \sf, and any similar usage in non-core tools.  Versions before Pos</description></item><item><title>CVE-2026-14681: Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contr</title><link>https://patchthecve.com/cve/CVE-2026-14681.html</link><guid>https://patchthecve.com/cve/CVE-2026-14681.html</guid><pubDate>Sat, 29 Aug 2026 23:17:17 +0000</pubDate><description>MEDIUM 4.2: 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 that appears to require GSSAPI, the connection may exchange data over TLS encryption alone.  If the TLS se</description></item><item><title>CVE-2026-14680: Type confusion with PostgreSQL &quot;internal&quot; data type arguments allows any user to execute arbitrary code as the</title><link>https://patchthecve.com/cve/CVE-2026-14680.html</link><guid>https://patchthecve.com/cve/CVE-2026-14680.html</guid><pubDate>Sat, 29 Aug 2026 23:17:17 +0000</pubDate><description>HIGH 8.8: Type confusion with PostgreSQL &quot;internal&quot; 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 &quot;internal&quot; represents a class of mutually-incompatible data structures not intended for acc</description></item><item><title>CVE-2026-14679: Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts</title><link>https://patchthecve.com/cve/CVE-2026-14679.html</link><guid>https://patchthecve.com/cve/CVE-2026-14679.html</guid><pubDate>Sat, 29 Aug 2026 23:17:16 +0000</pubDate><description>HIGH 8.2: 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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.</description></item><item><title>CVE-2026-14678: Buffer over-read in PostgreSQL pg_trgm index picksplit function reads past end of a heap buffer</title><link>https://patchthecve.com/cve/CVE-2026-14678.html</link><guid>https://patchthecve.com/cve/CVE-2026-14678.html</guid><pubDate>Sat, 29 Aug 2026 23:17:16 +0000</pubDate><description>MEDIUM 4.3: 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 split choices.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.</description></item><item><title>CVE-2026-14677: Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the serve</title><link>https://patchthecve.com/cve/CVE-2026-14677.html</link><guid>https://patchthecve.com/cve/CVE-2026-14677.html</guid><pubDate>Sat, 29 Aug 2026 23:17:15 +0000</pubDate><description>HIGH 8.8: 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 arbitrary code as the operating system user running the database.  CVE-2026-6473 had fixed</description></item><item><title>CVE-2026-14676: Heap buffer overflow in PostgreSQL pg_stat_statements allows the query author to execute arbitrary code as the</title><link>https://patchthecve.com/cve/CVE-2026-14676.html</link><guid>https://patchthecve.com/cve/CVE-2026-14676.html</guid><pubDate>Sat, 29 Aug 2026 23:17:15 +0000</pubDate><description>HIGH 8.8: 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 constants.  Within major version 18, minor versions before PostgreSQL 18.6 are affected.  Versions before Po</description></item><item><title>CVE-2026-14673: Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute </title><link>https://patchthecve.com/cve/CVE-2026-14673.html</link><guid>https://patchthecve.com/cve/CVE-2026-14673.html</guid><pubDate>Sat, 29 Aug 2026 23:17:14 +0000</pubDate><description>LOW 3.8: 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 calling the amcheck function.  Within major versions 18, 16, </description></item><item><title>CVE-2026-14672: Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the </title><link>https://patchthecve.com/cve/CVE-2026-14672.html</link><guid>https://patchthecve.com/cve/CVE-2026-14672.html</guid><pubDate>Sat, 29 Aug 2026 23:17:14 +0000</pubDate><description>MEDIUM 5.3: 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 user to have a non-default scram_iterations count, because the authentication challenge for a nonexiste</description></item><item><title>CVE-2026-14671: Type confusion in PostgreSQL module &quot;refint&quot; allows an object creator to execute arbitrary code as the operati</title><link>https://patchthecve.com/cve/CVE-2026-14671.html</link><guid>https://patchthecve.com/cve/CVE-2026-14671.html</guid><pubDate>Sat, 29 Aug 2026 23:17:14 +0000</pubDate><description>HIGH 8.8: Type confusion in PostgreSQL module &quot;refint&quot; 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 git repository with subject &quot;refint: Remove plan cache.&quot;, without a CVE</description></item><item><title>CVE-2026-14670: Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary</title><link>https://patchthecve.com/cve/CVE-2026-14670.html</link><guid>https://patchthecve.com/cve/CVE-2026-14670.html</guid><pubDate>Sat, 29 Aug 2026 23:17:13 +0000</pubDate><description>HIGH 8.8: 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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.</description></item><item><title>CVE-2026-14669: Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbi</title><link>https://patchthecve.com/cve/CVE-2026-14669.html</link><guid>https://patchthecve.com/cve/CVE-2026-14669.html</guid><pubDate>Sat, 29 Aug 2026 23:17:13 +0000</pubDate><description>HIGH 8.8: 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 abbreviation.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.</description></item><item><title>CVE-2026-14668: Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to </title><link>https://patchthecve.com/cve/CVE-2026-14668.html</link><guid>https://patchthecve.com/cve/CVE-2026-14668.html</guid><pubDate>Sat, 29 Aug 2026 23:17:12 +0000</pubDate><description>HIGH 8.1: 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 chosen non-ctid input.  While the calculation loses precision, substantial memory value recovery appear</description></item><item><title>CVE-2026-14666: Incomplete tracking in PostgreSQL of changes to role membership, role attributes, and database ownership allow</title><link>https://patchthecve.com/cve/CVE-2026-14666.html</link><guid>https://patchthecve.com/cve/CVE-2026-14666.html</guid><pubDate>Sat, 29 Aug 2026 23:17:12 +0000</pubDate><description>MEDIUM 4.2: 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.  Stale policies continue until some other event invalidates the</description></item><item><title>CVE-2026-14664: Heap buffer overflow in PostgreSQL regexp allows the query author to execute arbitrary code as the operating s</title><link>https://patchthecve.com/cve/CVE-2026-14664.html</link><guid>https://patchthecve.com/cve/CVE-2026-14664.html</guid><pubDate>Sat, 29 Aug 2026 23:17:11 +0000</pubDate><description>HIGH 8.8: 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, but this case involved unanticipated data growth when round-tripp</description></item><item><title>CVE-2026-14663: Cleartext storage in PostgreSQL pgcrypto disabled ciphers allows a user to recover cleartext, via direct obser</title><link>https://patchthecve.com/cve/CVE-2026-14663.html</link><guid>https://patchthecve.com/cve/CVE-2026-14663.html</guid><pubDate>Sat, 29 Aug 2026 23:17:11 +0000</pubDate><description>MEDIUM 6.5: 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 determine the disabled ciphers.  If the application accepts encrypted data as input, decryption will succeed e</description></item><item><title>CVE-2026-14662: Integer wraparound in PostgreSQL tsvector and tsquery data type functions allows an unprivileged database user</title><link>https://patchthecve.com/cve/CVE-2026-14662.html</link><guid>https://patchthecve.com/cve/CVE-2026-14662.html</guid><pubDate>Sat, 29 Aug 2026 23:17:11 +0000</pubDate><description>HIGH 8.8: 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 large inputs.  This may execute arbitrary code as the operating system user running the database.  These </description></item></channel></rss>