RLSA-2026:22304 Important: postgresql-jdbc security update

PostgreSQL is an advanced object-relational database management system. The postgresql-jdbc package includes the .jar files needed for Java programs to access a PostgreSQL database. Security Fixes: jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authenticati...

Important: Red Hat Security Advisory: postgresql-jdbc security update

An update for postgresql-jdbc is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

Security update for postgresql-jdbc (important)

openSUSE security update: security update for postgresql-jdbc ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20847-1 Rating: important References: bsc1264174 Cross-References: CVE-2026-42198 CVSS scores: CVE-2026-42198 SUSE : 7.5...

OPENSUSE-SU-2026:20847-1 Security update for postgresql-jdbc

This update for postgresql-jdbc fixes the following issue - CVE-2026-42198: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication bsc1264174...

CVE-2026-6478

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...

SUSE SLES15 Security Update : postgresql-jdbc (SUSE-SU-2026:2028-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:2028-1 advisory. This update for postgresql-jdbc fixes the following issue - CVE-2026-42198: client-side denial of service via malicious SCRAM-SHA-256...

Important: Red Hat Security Advisory: Red Hat build of Quarkus 3.27.3.SP2 security update

An update is now available for Red Hat build of Quarkus. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability. For more informatio...

CVE-2026-6478

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...

UBUNTU-CVE-2026-6478

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...

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

PT-2026-40923

Name of the Vulnerable Software and Affected Versions PostgreSQL versions prior to 18.4 PostgreSQL versions prior to 17.10 PostgreSQL versions prior to 16.14 PostgreSQL versions prior to 15.18 PostgreSQL versions prior to 14.23 Description A covert timing channel exists during the comparison of...

SUSE CVE-2026-42198

pgjdbc is an open source postgresql JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count...

CVE-2026-42198

A flaw was found in pgjdbc, an open-source PostgreSQL JDBC Driver. A malicious server can exploit this vulnerability by instructing the driver to perform SCRAM-SHA-256 Salted Challenge Response Authentication Mechanism Secure Hash Algorithm 256 authentication with an excessively large iteration...

CVE-2026-40542

A flaw was found in Apache HttpClient. This vulnerability allows a remote attacker to bypass a critical step in the SCRAM-SHA-256 authentication process. By exploiting this, an attacker can trick the client into accepting authentication without proper mutual verification, potentially compromising...

Linux Distros Unpatched Vulnerability : CVE-2026-40542

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper...

Improper Authentication

Apache HttpClient is vulnerable to Improper Authentication. The vulnerability is due to a missing verification step in SCRAM-SHA-256 authentication, which allows an attacker to bypass proper mutual authentication checks and be accepted by the client...

SUSE CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...

CVE-2026-40542

Missing critical step in authentication in Apache HttpClient 5.6 allows an attacker to cause the client to accept SCRAM-SHA-256 authentication without proper mutual authentication verification. Users are recommended to upgrade to version 5.6.1, which fixes this issue...