GHSA-P9JG-FCR6-3MHF OnGres SCRAM silent channel-binding authentication downgrade via unsupported certificate algorithms

Summary A flaw in com.ongres.scram:scram-client allows an attacker capable of performing a TLS man-in-the-middle MITM attack to silently downgrade a connection from SCRAM-SHA-256-PLUS with channel binding to standard SCRAM-SHA-256 without channel binding, bypassing strict client-side enforcement...

OnGres SCRAM silent channel-binding authentication downgrade via unsupported certificate algorithms

Summary A flaw in com.ongres.scram:scram-client allows an attacker capable of performing a TLS man-in-the-middle MITM attack to silently downgrade a connection from SCRAM-SHA-256-PLUS with channel binding to standard SCRAM-SHA-256 without channel binding, bypassing strict client-side enforcement...

Not Failing Securely ('Failing Open')

Overview Affected versions of this package are vulnerable to Not Failing Securely 'Failing Open' in the TlsServerEndpoint process when a server presents an X.509 certificate using a modern signature algorithm lacking traditional naming structures. An attacker can bypass strict client-side...

PT-2026-55221

Name of the Vulnerable Software and Affected Versions com.ongres.scram:scram-client versions prior to 3.3 com.ongres.scram:scram-common versions prior to 3.3 Description A flaw in com.ongres.scram:scram-client and com.ongres.scram:scram-common allows an attacker performing a TLS man-in-the-middle...

Alibaba Cloud Linux 3 : 0171: postgresql:13 (ALINUX3-SA-2026:0171)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0171 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-6478: Covert timing channel in comparison ...

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...

postgresql-jdbc security update

42.2.28-2.2 - Add tests for CVE-2026-42198 42.2.28-2.1 - Fix CVE-2026-42198: limit SCRAM PBKDF2 iterations to prevent DoS - Resolves: RHEL-173489...

[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 ...

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...

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...