CVE-2026-54291

pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to...

CVE-2026-54291

pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to...

EUVD-2026-41903

pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to...

PT-2026-54841

Name of the Vulnerable Software and Affected Versions pgjdbc versions 42.7.4 through 42.7.11 Description Connections using channelBinding=require can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256. This results in the loss of man-in-the-middle protectio...

AlmaLinux 9 : postgresql-jdbc (ALSA-2026:22304)

The remote AlmaLinux 9 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:22304 advisory. jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication CVE-2026-42198 Tenable has extracted the preceding descripti...

ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication

A flaw was found in Net::IMAP, a Ruby library for Internet Message Access Protocol IMAP client functionality. A hostile server can exploit this vulnerability during SCRAM-SHA1 or SCRAM-SHA256 Salted Challenge Response Authentication Mechanism - Secure Hash Algorithm 1 or 256 authentication by...

ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication

A flaw was found in Net::IMAP, a Ruby library for Internet Message Access Protocol IMAP client functionality. A hostile server can exploit this vulnerability during SCRAM-SHA1 or SCRAM-SHA256 Salted Challenge Response Authentication Mechanism - Secure Hash Algorithm 1 or 256 authentication by...

ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication

A flaw was found in Net::IMAP, a Ruby library for Internet Message Access Protocol IMAP client functionality. A hostile server can exploit this vulnerability during SCRAM-SHA1 or SCRAM-SHA256 Salted Challenge Response Authentication Mechanism - Secure Hash Algorithm 1 or 256 authentication by...

USN-8478-1: Ruby vulnerabilities

It was discovered that Ruby's Net::IMAP library did not properly verify that TLS encryption was started after issuing a STARTTLS command. A remote attacker could use this to perform a machine-in-the-middle attack and silently bypass TLS encryption. CVE-2026-42246 It was discovered that Ruby's...

Oracle Linux 9 : postgresql-jdbc (ELSA-2026-22304)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-22304 advisory. - Add tests for CVE-2026-42198 - Fix CVE-2026-42198: limit SCRAM PBKDF2 iterations to prevent DoS Tenable has extracted the preceding description block directl...

[SECURITY] Fedora 44 Update: ongres-scram-3.3-1.fc44

This is a Java implementation of SCRAM Salted Challenge Response Authentication Mechanism which is part of the family of Simple Authentication and Security Layer SASL, RFC 4422 authentication mechanisms. It is described as part of RFC 5802 and RFC7677...

[SECURITY] Fedora 43 Update: ongres-scram-3.3-1.fc43

This is a Java implementation of SCRAM Salted Challenge Response Authentication Mechanism which is part of the family of Simple Authentication and Security Layer SASL, RFC 4422 authentication mechanisms. It is described as part of RFC 5802 and RFC7677...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in postgresql-42.6.1.jar

Summary IBM Watson Discovery Cartridge affected by vulnerability in postgresql-42.6.1.jar Vulnerability Details CVEID:CVE-2026-42198 DESCRIPTION: 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...

Alibaba Cloud Linux 3 : 0155: postgresql-jdbc (ALINUX3-SA-2026:0155)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0155 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-42198: pgjdbc is an open source postgresql...

Linux Distros Unpatched Vulnerability : CVE-2026-10143

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in SCRAM authentication handling that allows a malicious or machine-in-the-middle broker ...

Unbounded SCRAM iteration count allows a malicious server to cause CPU-exhaustion denial of service

A malicious, compromised, or man-in-the-middle server can supply an arbitrarily large SCRAM-SHA-256 PBKDF2 iteration count during authentication. The client runs it inline with no upper bound, pinning a tokio worker thread for minutes per connection, possibly stalling the whole async runtime...

RUSTSEC-2026-0179 Unbounded SCRAM iteration count allows a malicious server to cause CPU-exhaustion denial of service

A malicious, compromised, or man-in-the-middle server can supply an arbitrarily large SCRAM-SHA-256 PBKDF2 iteration count during authentication. The client runs it inline with no upper bound, pinning a tokio worker thread for minutes per connection, possibly stalling the whole async runtime...

SUSE CVE-2026-10143

kafka-python prior to 2.3.2 contains a denial-of-service vulnerability in SCRAM authentication handling that allows a malicious or machine-in-the-middle broker to freeze the client event loop by supplying an excessively large iteration count. In scram.py, ScramClient.processserverfirstmessage...

MiracleLinux 8 : postgresql-jdbc-42.2.14-4.el8_10 (AXSA:2026-782:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-782:01 advisory. jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication CVE-2026-42198 Tenable has extracted the preceding...

RLSA-2026:24348 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...