406 matches found
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...
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...
CVE-2026-107349
A flaw was found in PgBouncer. An unauthenticated remote attacker can cause a Denial of Service DoS by sending a startup message that contains an empty parameter name in its options. This causes PgBouncer to enter an infinite loop during startup parameter processing, consuming high CPU resources...
CVE-2026-107350
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...
UBUNTU-CVE-2026-107348
Integer overflow in the message buffer growth logic mbufmakeroom in PgBouncer 1.21.0 through 1.26.0 allows a remote attacker to cause a denial of service when maxpacketsize is configured above 2147483648. A packet header declaring a length above 2^31 makes the buffer size computation overflow,...
CVE-2026-107348
Integer overflow in the message buffer growth logic mbufmakeroom in PgBouncer 1.21.0 through 1.26.0 allows a remote attacker to cause a denial of service when maxpacketsize is configured above 2147483648. A packet header declaring a length above 2^31 makes the buffer size computation overflow,...
CVE-2026-107349
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage whose options parameter contains an empty parameter name, such as "-c=", makes the ignorestartupparameters list lookup loop forever. Because PgBouncer serve...
UBUNTU-CVE-2026-107350
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...
UBUNTU-CVE-2026-107349
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage whose options parameter contains an empty parameter name, such as "-c=", makes the ignorestartupparameters list lookup loop forever. Because PgBouncer serve...
CVE-2026-107348
A flaw was found in PgBouncer. An integer overflow in the message buffer growth logic allows a remote attacker to cause a Denial of Service DoS when a large maximum packet size is configured. By sending a specially crafted packet header declaring an excessively large length, an attacker can trigg...
DEBIAN-CVE-2026-107348
Integer overflow in the message buffer growth logic mbufmakeroom in PgBouncer 1.21.0 through 1.26.0 allows a remote attacker to cause a denial of service when maxpacketsize is configured above 2147483648. A packet header declaring a length above 2^31 makes the buffer size computation overflow,...
AZL-108192 CVE-2026-107349 affecting package pgbouncer 1.25.2-1
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage whose options parameter contains an empty parameter name, such as "-c=", makes the ignorestartupparameters list lookup loop forever. Because PgBouncer serve...
DEBIAN-CVE-2026-107350
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...
DEBIAN-CVE-2026-107349
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage whose options parameter contains an empty parameter name, such as "-c=", makes the ignorestartupparameters list lookup loop forever. Because PgBouncer serve...
AZL-108195 CVE-2026-107348 affecting package pgbouncer 1.25.2-1
Integer overflow in the message buffer growth logic mbufmakeroom in PgBouncer 1.21.0 through 1.26.0 allows a remote attacker to cause a denial of service when maxpacketsize is configured above 2147483648. A packet header declaring a length above 2^31 makes the buffer size computation overflow,...
AZL-108189 CVE-2026-107350 affecting package pgbouncer 1.25.2-1
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-2026-107350
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-2026-107349
An infinite loop in PgBouncer 1.20.0 through 1.26.0 allows an unauthenticated remote attacker to cause a denial of service. A StartupMessage whose options parameter contains an empty parameter name, such as "-c=", makes the ignorestartupparameters list lookup loop forever. Because PgBouncer serve...
CVE-2026-107348
Integer overflow in the message buffer growth logic mbufmakeroom in PgBouncer 1.21.0 through 1.26.0 allows a remote attacker to cause a denial of service when maxpacketsize is configured above 2147483648. A packet header declaring a length above 2^31 makes the buffer size computation overflow,...
CVE-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...