CVE-2026-61486
Received Received - Intake

Stack-based Buffer Overflow in Apache Lucy

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: Apache Software Foundation

Description
** UNSUPPORTED WHEN ASSIGNED ** Stack-based Buffer Overflow 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 maintainer.

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Meta Information

Published
2026-08-05
Last Modified
2026-08-05
Generated
2026-08-05
AI Q&A
2026-08-05
EPSS Evaluated
N/A
NVD
CVE-2026-61486
EUVD
EUVD-2026-53191

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
apache lucy *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Executive Summary

This is a stack-based buffer overflow vulnerability in Apache Lucy, a retired search library. The flaw allows attackers to overwrite memory on the stack, potentially leading to arbitrary code execution or crashes. Since Apache Lucy is no longer supported, no official fix will be released.

Detection Guidance

Since Apache Lucy is unsupported and retired, detection is not recommended. The project has no fixes and users are advised to find alternatives or restrict access to trusted users only.

Impact Analysis

If you are still using Apache Lucy, an attacker could exploit this flaw to execute malicious code on your system or cause denial-of-service conditions. The risk is limited to environments where Lucy is still deployed despite being unsupported.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR or HIPAA as it pertains to an unsupported and retired software project. Apache Lucy is no longer maintained, so standard security practices would recommend discontinuing its use rather than addressing compliance gaps.

Mitigation Strategies

Immediately stop using Apache Lucy as it is unsupported. Migrate to an alternative solution and restrict access to the instance to trusted users only.

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