postgresql: PostgreSQL: Credential recovery via covert timing channel in MD5 password comparison

A flaw was found in PostgreSQL. This vulnerability, a covert timing channel, exists in the comparison of MD5-hashed passwords during authentication. A remote attacker could exploit this to recover user credentials, gaining unauthorized access to the database. This issue specifically impacts...

postgresql: PostgreSQL: Operating system account hijack via symlink following in pg_basebackup and pg_rewind

A flaw was found in PostgreSQL. This vulnerability, related to symlink following in pgbasebackup plain format and pgrewind, allows an origin superuser to overwrite local files. By exploiting this, an attacker could potentially hijack the operating system account. This attack has practical...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

postgresql16 security update

An update is available for postgresql16. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list PostgreSQL is an advanced Object-Relational database management system...

RLSA-2026:27743 Important: postgresql16 security update

PostgreSQL is an advanced Object-Relational database management system DBMS. The base postgresql package contains the client programs that you'll need to access a PostgreSQL DBMS server, as well as HTML documentation for the whole system. These client programs can be located on the same machine a...

RLSA-2026:27742 Important: postgresql18 security update

PostgreSQL is an advanced Object-Relational database management system DBMS. The base postgresql package contains the client programs that you'll need to access a PostgreSQL DBMS server, as well as HTML documentation for the whole system. These client programs can be located on the same machine a...

RLSA-2026:27738 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq: Buffer...

libpq security update

An update is available for libpq. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libpq package provides the PostgreSQL client library, which allows client...

CVE-2026-56351 n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

CVE-2026-56351

CVE-2026-56351 affects n8n prior to 2.4.0. A SQL injection exists in the MySQL, PostgreSQL, and Microsoft SQL nodes, where unescaped identifier values in node configuration parameters can be exploited by an authenticated user with workflow-creation permissions to inject arbitrary SQL and compromi...

CVE-2026-56351 n8n - SQL Injection in MySQL, PostgreSQL, and Microsoft SQL Nodes

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

RHSA-2026:28208 Red Hat Security Advisory: postgresql:13 security update

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RHSA-2026:28143 Red Hat Security Advisory: postgresql:16 security update

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RockyLinux 8 : libpq (RLSA-2026:27738)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:27738 advisory. postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq:...

postgresql:15 security update

pgaudit 1.7.0-1 - Initial import for postgresql 15 module - Update to 1.7.0 - Support postgresql 15 - Related: 2128410 pgrepack 1.4.8-2 - Add new build dependencies to fix build with lz4 enabled - Related: RHEL-47350 1.4.8-1 - Update to version 1.4.8 - Postgresql 15 is supported - Related: 212841...

CVE-2026-56351: Improper Neutralization of Special Elements used in an SQL Command

n8n before version 2.4.0 contains a sql injection vulnerability in MySQL, PostgreSQL, and Microsoft SQL nodes that allows authenticated users to inject arbitrary SQL through unescaped identifier values in node configuration parameters. Attackers with workflow creation permissions can supply...

RockyLinux 8 : postgresql:12 (RLSA-2026:28999)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:28999 advisory. postgresql: PostgreSQL: Credential recovery via covert timing channel in MD5 password comparison CVE-2026-6478 postgresql: integer overflow can cause an...

RockyLinux 10 : postgresql16 (RLSA-2026:27743)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:27743 advisory. postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq:...

RockyLinux 10 : postgresql18 (RLSA-2026:27742)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:27742 advisory. postgresql: PostgreSQL: Operating system account hijack via symlink following in pgbasebackup and pgrewind CVE-2026-6475 postgresql: PostgreSQL libpq:...

AlmaLinux 8 : postgresql:13 (ALSA-2026:28208)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:28208 advisory. postgresql: PostgreSQL: Credential recovery via covert timing channel in MD5 password comparison CVE-2026-6478 Tenable has extracted the preceding description blo...