Fedora 43: dnsdist Critical DoS Issue Fix FEDORA-2025-5cef5ecca3
fedora
October 1, 2025
Update to 2.0.1 to CVE-2025-30187
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:
Update to 2.0.1 to CVE-2025-30187
Topics Covered
Change Log
* Thu Sep 18 2025 Sander Hoentjen
References
[ 1 ] Bug #2382309 - dnsdist-2.0.1 is available
https://bugzilla.redhat.com/show_bug.cgi?id=2382309
[ 2 ] Bug #2396486 - CVE-2025-30187 dnsdist: Denial of service via crafted DoH exchange in PowerDNS DNSdist [epel-all]
https://bugzilla.redhat.com/show_bug.cgi?id=2396486
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-5cef5ecca3' 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
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Severity
critical
Lowest
Low
Medium
High
Critical
Name: dnsdist
Product: Fedora 43
Version: 2.0.1
Release: 1.fc43
Summary: Highly DNS-, DoS- and abuse-aware loadbalancer
Topics Covered
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