bouncer-overflow

PgBouncer Crash PoC This repository contains a local proof of concept for a PgBouncer crash caused by an integer overflow in vulnerable PgBouncer versions. The included Docker setup builds PgBouncer 1.25.1, starts a PostgreSQL backend, enables SCRAM-SHA-256 authentication, and runs poc.py against...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a 'Failing Open' issue in pgjdbc PostgreSQL JDBC Driver (CVE-2026-54291)

Summary IBM Watson Speech Services Cartridge is vulnerable to a 'Failing Open' issue in pgjdbc PostgreSQL JDBC Driver. This is due to a flaw which allows channelBinding=require connections to be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it,...

Security Bulletin: Security vulnerability has been found in IBM Guardium Discover and Classify (IGDC)

Summary Security Vulnerability has been addressed in IBM Guardium Discover and Classify IGDC Vulnerability Details CVEID:CVE-2026-54291 DESCRIPTION: pgjdbc is an open source postgresql JDBC Driver. In releases 42.7.4 through 42.7.11, channelBinding=require connections can be silently downgraded...

Security Bulletin: IBM Guardium Data Protection is affected by a security vulnerability (CVE-2026-54291)

Summary IBM Guardium Data Protection has addressed this vulnerability in an update. Vulnerability Details CVEID:CVE-2026-54291 DESCRIPTION: 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...

CVE-2026-112063

A flaw was found in libstrophe. A malicious XMPP Extensible Messaging and Presence Protocol server can exploit a stack-based buffer overflow in the SCRAM Salted Challenge Response Authentication Mechanism authentication handler by sending an oversized salt value. This issue allows an attacker to...

BIT-PGBOUNCER-2026-107350 Authentication bypass via second StartupMessage during SCRAM authentication in PgBouncer

Improper authentication in PgBouncer 1.17.0 through 1.26.0 allows a remote attacker who knows the password of a user listed in authfile to log in as any other user that authenticates using SCRAM, including PgBouncer admin users and backend superusers. A second StartupMessage sent during SCRAM...

CVE-2026-112063

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAMHi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, abortin...

DEBIAN-CVE-2026-112063

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAMHi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, abortin...

CVE-2026-112063 libstrophe through 0.14.0 Stack-Based Buffer Overflow via SCRAM Salt in SCRAM_Hi

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAMHi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, abortin...

CVE-2026-112063

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAMHi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, abortin...

CVE-2026-112063 libstrophe through 0.14.0 Stack-Based Buffer Overflow via SCRAM Salt in SCRAM_Hi

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAMHi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, abortin...

CVE-2026-112063

The libstrophe library (through version 0.14.0 ) contains a stack-based buffer overflow vulnerability within the SCRAM_Hi function. This flaw occurs when an XMPP server sends a server-first-message containing an oversized SCRAM salt . If the s= attribute decodes to more than 124 bytes , it can ov...

Fedora 44 : mongo-c-driver (2026-4f2386f4ac)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-4f2386f4ac advisory. libbson 1.30.13 - Fix edge case in Decimal128 parsing. CVE-2026-106438 - Enforce minimum size in bsonreservebuffer. CVE-2026-106437 - Fix...

PT-2026-116646

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAM Hi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, aborti...

CVE-2026-112063: Stack-based Buffer Overflow

libstrophe through 0.14.0 contains a stack-based buffer overflow vulnerability in SCRAMHi that allows malicious XMPP servers to overflow a 128-byte stack buffer by sending an oversized SCRAM salt. Attackers can send a server-first-message whose s= attribute decodes to more than 124 bytes, abortin...

Fedora 43 : mongo-c-driver (2026-b1f7d859d3)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-b1f7d859d3 advisory. libbson 1.30.13 - Fix edge case in Decimal128 parsing. CVE-2026-106438 - Enforce minimum size in bsonreservebuffer. CVE-2026-106437 - Fix...

Strophe/Libstrophe buffer error vulnerability

Strophe libstrophe versions 0.14.0 and earlier have a buffer overflow vulnerability. This vulnerability stems from SCRAMHi’s handling of SCRAM salts, where a stack buffer overflow occurs when processing SCRAM salts. Malicious XMPP servers can exploit this vulnerability by sending SCRAM salts that...

pgbouncer: pgbouncer: Privilege escalation via secondary startup message during SCRAM authentication

A flaw was found in PgBouncer. An improper authentication vulnerability allows a remote attacker possessing valid credentials for any listed user to impersonate any other user configured with Salted Challenge Response Authentication Mechanism SCRAM, including PgBouncer administrators and backend...

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...

CVE-2026-107350

A flaw was found in PgBouncer. An improper authentication vulnerability allows a remote attacker possessing valid credentials for any listed user to impersonate any other user configured with Salted Challenge Response Authentication Mechanism SCRAM, including PgBouncer administrators and backend...