CVE-2026-33593 Affecting dnsdist package, versions <1.9.14-0+deb13u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-ECHOLATEST-DNSDIST-18578966
- published7 Aug 2026
- disclosed22 Apr 2026
Introduced: 22 Apr 2026
CVE-2026-33593 (opens in a new tab)How to fix?
Upgrade Echo:latest dnsdist to version 1.9.14-0+deb13u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dnsdist package and not the dnsdist package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.