CVE-2025-62666: DoS vector through the cirrusbuilddoc query API

Published Oct 18, 2025
·
Updated

Allocation of Resources Without Limits or Throttling vulnerability in The Wikimedia Foundation Mediawiki - CirrusSearch Extension allows HTTP DoS.This issue affects Mediawiki - CirrusSearch Extension: from master before 1.43.

Affected Software

1 affected component
Wikimedia Foundation Mediawiki - CirrusSearch Extension>master, <1.43

Event History

Oct 18, 2025
CVE Published
via MITRE·04:47 AM
Data Sourced
via MITRE·04:47 AM
DescriptionWeakness
Data Sourced
via NVD·05:15 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-62666?

CVE-2025-62666 has been identified as a medium severity vulnerability that can lead to HTTP DoS.

2

How do I fix CVE-2025-62666?

To fix CVE-2025-62666, upgrade the Mediawiki - CirrusSearch Extension to version 1.43 or later.

3

What kind of attack does CVE-2025-62666 allow?

CVE-2025-62666 allows for HTTP Denial of Service (DoS) attacks due to resource allocation issues.

4

Which version of Mediawiki is affected by CVE-2025-62666?

Versions of Mediawiki - CirrusSearch Extension from master up to, but not including, 1.43 are affected by CVE-2025-62666.

5

Who is impacted by CVE-2025-62666?

Users and organizations utilizing the affected versions of Mediawiki - CirrusSearch Extension are impacted by CVE-2025-62666.

Contact

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