Alerts This Week
Warning Icon 1 727
Alerts This Week
Warning Icon 1 727

Fedora 41: Update to dnsdist 1.9.10 Critical: DoS via TCP Exchange

fedora
Calendar Grey May 30, 2025
Dist Fedora Esm H88
The latest dnsdist version 1.9.10 addresses DoS vulnerabilities in Fedora 41, improving server efficiency and optimizing traffic control.
Updated to 1.9.10, this fixes CVE-2025-30193: Denial of service via crafted TCP exchange

Summary

dnsdist is a highly DNS-, DoS- and abuse-aware loadbalancer. Its goal in life

is to route traffic to the best server, delivering top performance to

legitimate users while shunting or blocking abusive traffic.

Update Information:

Updated to 1.9.10, this fixes CVE-2025-30193: Denial of service via crafted TCP exchange

Topics%20covered

Topics Covered

security advisory update Fedora DoS networking dnsdist

Change Log

* Wed May 21 2025 Sander Hoentjen - 1.9.10-1 - Update to 1.9.10 - fixes #2367441 - fixes #2367560, #2367561, #2367562, #2367460 (CVE-2025-30193)

References


[ 1 ] Bug #2367441 - dnsdist-1.9.10 is available https://bugzilla.redhat.com/show_bug.cgi?id=2367441 [ 2 ] Bug #2367560 - CVE-2025-30193 dnsdist: Denial of service via crafted TCP exchange [epel-9] https://bugzilla.redhat.com/show_bug.cgi?id=2367560 [ 3 ] Bug #2367561 - CVE-2025-30193 dnsdist: Denial of service via crafted TCP exchange [fedora-41] https://bugzilla.redhat.com/show_bug.cgi?id=2367561 [ 4 ] Bug #2367562 - CVE-2025-30193 dnsdist: Denial of service via crafted TCP exchange [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2367562

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-0c238cf731' 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
critical
Lowest
Low
Medium
High
Critical

Name: dnsdist
Product: Fedora 41
Version: 1.9.10
Release: 1.fc41
URL: https://www.dnsdist.org/index.html
Summary: Highly DNS-, DoS- and abuse-aware loadbalancer

Topics%20covered

Topics Covered

security advisory update Fedora DoS networking dnsdist

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here