CVE-2026-61483: Apache Lucy: QueryParser unbounded recursion on deeply-nested query -> C-stack-overflow DoS
UNSUPPORTED WHEN ASSIGNED Uncontrolled Recursion vulnerability in Apache Lucy.
This issue affects Apache Lucy: all versions.
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 ASF. Lucy is now maintained outside of the ASF at https://github.com/lucysearch
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Restrict access to the Apache Lucy instance to trusted users only, since no ASF-supported fixed version will be released for CVE-2026-61483 (Apache Lucy: QueryParser unbounded recursion/unbounded cursion on deeply-nested query leading to C-stack-overflow DoS; affects all Apache Lucy versions).
Event History
Frequently Asked Questions
What is the severity of CVE-2026-61483?
CVE-2026-61483 is assigned a risk level of 26, indicating a significant impact on affected systems.
How do I fix CVE-2026-61483?
There is no fix available for CVE-2026-61483 as the Apache Lucy project is retired and no updates will be released.
What type of vulnerability is CVE-2026-61483?
CVE-2026-61483 is an uncontrolled recursion vulnerability that can lead to a C-stack-overflow Denial of Service (DoS).
Which versions of Apache Lucy are affected by CVE-2026-61483?
All versions of Apache Lucy are affected by CVE-2026-61483.
What precautions can I take regarding CVE-2026-61483?
It is recommended to restrict access to instances of Apache Lucy to mitigate the risk associated with CVE-2026-61483.