Debian Security Advisory

DLA-2922-1 pgbouncer -- LTS security update

Date Reported:
14 Feb 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-3935.
More information:

It was found that PgBouncer, a PostgreSQL connection pooler, was susceptible to an arbitrary SQL injection attack if a man-in-the-middle could inject data when a connection using certificate authentication is established.

For Debian 9 stretch, this problem has been fixed in version 1.7.2-2+deb9u1.

We recommend that you upgrade your pgbouncer packages.

For the detailed security status of pgbouncer please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: