What’s Vulnerable › Vulnerabilities
CVE-2026-33598: Out-of-bounds read in cache inspection via Lua
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-22 · updated 2026-10-26
- Weakness: CWE-125
Description
A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.
Affected products
- PowerDNS DNSdist: from 1.9.0 before 1.9.13; from 2.0.0 before 2.0.4 — fixed in 1.9.13, 2.0.4
How to fix
Upgrade to a fixed version: PowerDNS DNSdist 1.9.13, 2.0.4. Check the vendor advisory for mitigations.
References
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