Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Traffic Control | <= 8.0.2 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/mx2jxgnlop2f4vbqnvmrldh4pqmobxvpMailing ListVendor Advisory
- http://www.openwall.com/lists/oss-security/2025/10/16/3
FAQ
What is CVE-2025-61581?
CVE-2025-61581 is a vulnerability with a CVSS score of 7.5 (HIGH). ** 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 ...
How severe is CVE-2025-61581?
CVE-2025-61581 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-61581?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Traffic Control.