CVE-2026-61486

CRITICAL

Apache Lucy: stack-buffer-overflow in JSON parser error reporter on malformed input

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/08/05/7

Scores

CVSS v3 9.8
EPSS 0.0042
EPSS Percentile 34.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-121
Status published
Products (2)
apache/lucy
Apache Software Foundation/Apache Lucy
Published Aug 05, 2026
Tracked Since Aug 05, 2026