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CVE-2021-3935

Published: Nov 22, 2021

Modified: Nov 3, 2025

PUBLISHED

Description

When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.

Vendor	Product	Versions
n/a	pgbouncer	affected `PgBouncer 1.16.1`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=2021251

x_refsource_MISC

http://www.pgbouncer.org/changelog.html#pgbouncer-116x

x_refsource_MISC

FEDORA-2021-761cda0b77

vendor-advisory

x_refsource_FEDORA

[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update

mailing-list

x_refsource_MLIST

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