CVE-2026-33598

CRITICALCVSS 9.1/10EPSS 1.07%

Last modified

CVE-2026-33598 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability
1.07%

60.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PowerdnsDnsdist>= 1.9.0, < 1.9.13
PowerdnsDnsdist>= 2.0.0, < 2.0.4

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-33598?
A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache.
How severe is CVE-2026-33598?
CVE-2026-33598 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.
How do I fix CVE-2026-33598?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33598?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST