CVE-2026-33612
Deferred Deferred - Pending Action

Authoritative DNS Server Zone Cache Poisoning via ZoneToCache

Publication date: 2026-06-25

Last updated on: 2026-06-25

Assigner: Open-Xchange

Description
A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning.

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Meta Information

Published
2026-06-25
Last Modified
2026-06-25
Generated
2026-07-15
AI Q&A
2026-06-25
EPSS Evaluated
2026-07-14
NVD
CVE-2026-33612
EUVD
EUVD-2026-39352

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-349 The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.

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Executive Summary

This vulnerability involves a malicious authoritative server sending a specially crafted zone via the ZoneToCache function, which results in cache poisoning.

Impact Analysis

The vulnerability can lead to cache poisoning, which may allow an attacker to manipulate cached data. This can cause incorrect or malicious information to be served, potentially impacting the integrity of the system.

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