CVE-2025-61581

High

Description

** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control. This issue affects Apache Traffic Control: all versions. People with access to the management interface of the Traffic Router component could specify malicious patterns and cause unavailability. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

SeverityHigh
CVSS7.5
Exploit probability—
ProductApache Traffic Control
PublishedOct 16, 2025
First seenOct 16, 2025
Weakness typeCWE-1333CWE-1333

How to fix

Affected products

ProductAffected versionsFixed in
apache traffic_controlv ≤ 8.0.2—
github.com/apache/trafficcontrol/v8Gov ≤ 8.0.2, No range specified—
github.com/apache/trafficcontrolGoNo range specified—

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