CVE-2026-6637

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 user-controlled column as a "refint" cascade primary key and facilitate...

CVE-2026-6637

The CVE-2026-6637 issue affects PostgreSQL’s refint module, causing a stack buffer overflow that could allow an unprivileged database user to execute arbitrary OS-level code running the database. A separate attack path exists when an application exposes a user-controlled column as a refint cascad...

EUVD-2026-30291

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 user-controlled column as a "refint" cascade primary key and facilitate...

CVE-2026-6638

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

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 user-controlled column as a "refint" cascade primary key and facilitate...

EUVD-2026-30290

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

CVE-2026-6638

Summary: CVE-2026-6638 is a SQL injection vulnerability in PostgreSQL’s logical replication via ALTER SUBSCRIPTION ... REFRESH PUBLICATION. The issue affects major versions 16, 17, and 18 with specific vulnerable minor versions (16.14, 17.10, 18.4) and is triggered at the next REFRESH PUBLICATION...

CVE-2026-6638

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

CVE-2026-6638 PostgreSQL REFRESH PUBLICATION allows SQL injection via table name

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

CVE-2026-6638 PostgreSQL REFRESH PUBLICATION allows SQL injection via table name

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

CVE-2026-6638

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18...

CVE-2026-6575

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

CVE-2026-6575

CVE-2026-6575: In PostgreSQL, the buffer over-read is triggered by the function pg_restore_attribute_stats() when it processes array inputs with unmatched lengths, allowing query planning to read past the end of an array. Affected are major version 18 and specific minor versions before 18.4; Post...

EUVD-2026-30287

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

CVE-2026-6575 PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

CVE-2026-6575

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

CVE-2026-6575 PostgreSQL pg_restore_attribute_stats accepts values that cause query planning to read past end of stats array

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

CVE-2026-6575

Buffer over-read in PostgreSQL function pgrestoreattributestats accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL...

EUVD-2026-30289

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 supported releases. However, current databases may have MD5-hashed...

CVE-2026-6478

CVE-2026-6478 describes a covert timing channel in PostgreSQL authentication that leverages the comparison of MD5-hashed passwords to recover credentials sufficient to authenticate. The issue affects MD5-hashed password usage (not affecting scram-sha-256 by default) and is pertinent to environmen...