bouncer-overflow

PgBouncer 崩溃 PoC 该仓库包含一个针对 PgBouncer 崩溃的本地概念验证，该崩溃由易受攻击的 PgBouncer 版本中的整数溢出引起。其中包含的 Docker 环境会构建 PgBouncer 1.25.1，启动 PostgreSQL 后端，启用 SCRAM-SHA-256 身份验证，并针对 PgBouncer 运行 poc.py。 此内容仅用于受控实验室测试。请勿针对你不拥有或未经明确授权测试的系统运行。 目录 poc.py - Python 概念验证客户端。 docker-compose.yml - 本地 PostgreSQL、PgBouncer 和 PoC...

Astra Linux – Vulnerability in dovecot

The attacker can use a specially crafted Base64 exchange between Dovecot and the client to forge SCRAM TLS channel bindings. This requires that the attacker be able to position themselves between Dovecot and the client connection. If successful, the attacker can eavesdrop on communications betwee...

jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication

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...

jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication

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-2026-14672

An observable response discrepancy in PostgreSQL's SCRAM authentication permits user enumeration. Unauthenticated attackers can verify if a specific user exists by observing the authentication iteration count, provided the targeted user is configured with a non-default scramiterations value...

PostgreSQL 16.x < 16.15 / 17.x < 17.11 / 18.x < 18.6 SCRAM Observable Response Discrepancy

The version of PostgreSQL installed on the remote host is 16 prior to 16.15, 17 prior to 17.11, or 18 prior to 18.6. As such, it is potentially affected by an information disclosure vulnerability: - Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user ...

RLSA-2026:50778 Important: ruby security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

SUSE SLES15 Security Update : rmt-server (SUSE-SU-2026:3792-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3792-1 advisory. This update for rmt-server fixes the following issue: Update to version 3.1 bsc1274715. - CVE-2026-42256: net-imap: hostile server can perfo...

Security Bulletin: Vulnerability in pgjdbc affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in pgjdbc has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. . The vulnerability have been addressed. Refer to details for additional information. Vulnerabilit...

SUSE-SU-2026:3792-1 Security update for rmt-server

This update for rmt-server fixes the following issue: Update to version 3.1 bsc1274715. - CVE-2026-42256: net-imap: hostile server can perform a DoS on client authenticating a connection with SCRAM-SHA1 or SCRAM-SHA2 bsc1265369. Changes for rmt-server: - Version 3.1: Remove all errors and warning...

Security update for rmt-server

This update for rmt-server fixes the following issue: Update to version 3.1 bsc1274715. CVE-2026-42256: net-imap: hostile server can perform a DoS on client authenticating a connection with SCRAM-SHA1 or SCRAM-SHA2 bsc1265369. Changes for rmt-server: Version 3.1: Remove all errors and warnings du...

jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication

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...

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

An update for postgresql-jdbc is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication

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...

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

An update for postgresql-jdbc is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

RHEL 8 : postgresql-jdbc (RHSA-2026:59277)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:59277 advisory. PostgreSQL is an advanced object-relational database management system. The postgresql-jdbc package includes the .jar files needed for Java programs...

RHEL 8 : postgresql-jdbc (RHSA-2026:59278)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:59278 advisory. PostgreSQL is an advanced object-relational database management system. The postgresql-jdbc package includes the .jar files needed for Java programs...

GHSA-5X78-73V4-XG6W postgres-protocol: 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...

postgres-protocol: 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...

Astra Linux – Vulnerability in libpgjava

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