Vulnerability in contrib module (CVE-2026-6637)

PostgreSQL refint allows stack buffer overflow and SQL injection 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...

Vulnerability in core server (CVE-2026-6473)

PostgreSQL server undersizes allocations, via integer 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...

Vulnerability in contrib module (CVE-2026-2007)

PostgreSQL pgtrgm heap buffer overflow writes pattern onto server memory Heap buffer overflow in PostgreSQL pgtrgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the...

Vulnerability in core server (CVE-2025-12818)

PostgreSQL libpq undersizes allocations, via integer wraparound Integer wraparound in multiple PostgreSQL libpq client library functions allows an application input provider or network peer to cause libpq to undersize an allocation and write out-of-bounds by hundreds of megabytes. This results in...

Vulnerability in core server (CVE-2026-6479)

PostgreSQL SSL/GSS init causes denial of service, via uncontrolled recursion Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AFUNIX socket to achieve sustained denial of service. If SSL and GSS are both disabled, an attacker can do t...

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 client (CVE-2026-6475)

PostgreSQL pgbasebackup and pgrewind can overwrite unrelated files of origin superuser choice Symlink following in PostgreSQL pgbasebackup plain format and in pgrewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It...

Vulnerability in core server (CVE-2026-6478)

PostgreSQL discloses MD5-hashed passwords via covert timing channel Covert timing channel in comparison of MD5-hashed password in PostgreSQL authentication allows an attacker to recover user credentials sufficient to authenticate. This does not affect scram-sha-256 passwords, the default in all...

Vulnerability in contrib module (CVE-2026-14663)

PostgreSQL pgcrypto, for OpenSSL-disabled ciphers, silently encrypts to and decrypts from cleartext 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 determin...

Vulnerability in core server (CVE-2026-15741)

PostgreSQL expression deparse allows SQL injection via EXTRACT argument 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 pgdump, psql commands...

Vulnerability in core server (CVE-2026-16239)

PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code 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 different types. Versions...

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 18.5,...

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-2026-14668)

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...

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-2026-6471)

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 contrib module (CVE-2026-15742)

PostgreSQL fuzzystrmatch writes effectively-arbitrary addresses, via integer 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...

Vulnerability in core server (CVE-2026-14662)

PostgreSQL tsvector and tsquery undersize allocations, via integer wraparound 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...

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 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-2026-14669)

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 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 core server (CVE-2026-14670)

PostgreSQL plperl tied object heap buffer overflow executes arbitrary code 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...

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 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...

Vulnerability in client (CVE-2026-18408)

PostgreSQL psql \unrestrict lets superuser of pgdump origin server execute arbitrary code in psql client Untrusted data inclusion in pgdump in PostgreSQL allows a malicious superuser of the origin server to inject arbitrary code for restore-time execution as the client operating system account...

Vulnerability in core server (CVE-2026-16238)

PostgreSQL type confusion in pgrestoreattributestats executes arbitrary code Type confusion in PostgreSQL pgrestoreattributestats 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 versi...