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Fedora 44 ProFTPD Important SQL Injection Threat Advisory 2026-871243b391

fedora
Calendar Grey May 21, 2026
Dist Fedora Esm H88
This update for Fedora 44 addresses a critical SQL injection issue in ProFTPD, enhancing security against attacks.
This update contains an updated mod_wrap2_sql that addresses a potential SQL injection issue when connected to from a client with a maliciously-constructed reverse DNS record (CVE-...

Summary

ProFTPD is an enhanced FTP server with a focus toward simplicity, security,

and ease of configuration. It features a very Apache-like configuration

syntax, and a highly customizable server infrastructure, including support for

multiple 'virtual' FTP servers, anonymous FTP, and permission-based directory

visibility.

This package defaults to the standalone behavior of ProFTPD, but all the

needed scripts to have it run by systemd instead are included.

Update Information:

This update contains an updated mod_wrap2_sql that addresses a potential SQL injection issue when connected to from a client with a maliciously-constructed reverse DNS record (CVE-2026-44331). Note that mod_wrap2_sql is not enabled by default and the issue can only happen if UseReverseDNS is enabled, which is also off by default.

Topics%20covered

Topics Covered

security advisory SQL Injection fedora remote code execution important proftpd

Change Log

* Mon May 11 2026 Paul Howarth - 1.3.9a-2 - Additional escaping for avoidance of SQL injection issues with %{note:...} and %{env:...}; these are on top of the existing fix for CVE-2026-42167 in 1.3.9a - Fix for SQL Injection in mod_wrap2_sql via reverse DNS hostname (CVE-2026-44331, rhbz#2466899, https://github.com/proftpd/proftpd/issues/2057)

References


[ 1 ] Bug #2466899 - CVE-2026-44331 proftpd: SQL injection via reverse DNS hostname [fedora-all] https://bugzilla.redhat.com/show_bug.cgi?id=2466899

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-871243b391' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: proftpd
Product: Fedora 44
Version: 1.3.9a
Release: 2.fc44
URL: http://www.proftpd.org/
Summary: Flexible, stable and highly-configurable FTP server

Topics%20covered

Topics Covered

security advisory SQL Injection fedora remote code execution important proftpd

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