CVE-2026-42396
Analyzed Analyzed - Analysis Complete
Insufficient Validation in OX Guard Causes Catalog Zone Transfer Failure

Publication date: 2026-05-21

Last updated on: 2026-05-26

Assigner: Open-Xchange

Description
Insufficient Validation of Member Zone Data May Cause Catalog Zone Transfer to Fail
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Meta Information
Published
2026-05-21
Last Modified
2026-05-26
Generated
2026-06-10
AI Q&A
2026-05-21
EPSS Evaluated
2026-06-09
NVD
CVE-2026-42396
EUVD
EUVD-2026-31265
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
powerdns authoritative From 5.0.0 (inc) to 5.0.5 (exc)
powerdns authoritative From 4.7.0 (inc) to 4.9.15 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
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Executive Summary

This vulnerability involves insufficient validation of member zone data, which may cause the catalog zone transfer process to fail.

Impact Analysis

The impact of this vulnerability is that the catalog zone transfer may fail, potentially causing availability issues or disruptions in services relying on this transfer.

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