CVE-2026-24028
Medium
Description
An attacker might be able to trigger an out-of-bounds read by sending a crafted DNS response packet, when custom Lua code uses newDNSPacketOverlay to parse DNS packets. The out-of-bounds read might trigger a crash, leading to a denial of service, or access unrelated memory, leading to potential information disclosure.
SeverityMedium
CVSS5.3
Exploit probability—
ProductPowerdns Dnsdist
PublishedMar 31, 2026
First seenMar 31, 2026
Weakness typeCWE-126CWE-126
How to fix
Update
- powerdns dnsdist1.9.12, 2.0.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| powerdns dnsdist | 1.9.0 ≤ v < 1.9.12, 2.0.0 ≤ v < 2.0.3 | 1.9.12, 2.0.3 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.