CVE-2026-33593
High
Description
A client can trigger a divide by zero error leading to crash by sending a crafted DNSCrypt query.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPowerdns Dnsdist
PublishedApr 22, 2026
First seenApr 22, 2026
Weakness typeCWE-369CWE-369
How to fix
Update
- powerdns dnsdist1.9.13, 2.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns dnsdist | 1.9.0 ≤ v < 1.9.13, 2.0.0 ≤ v < 2.0.4 | 1.9.13, 2.0.4 |
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