jq is a command-line JSON processor. In 1.8.1 and earlier, jv_contains recurses into nested arrays/objects with no depth limit. With a sufficiently nested input structure (built programmatically with reduce, since the JSON parser caps at depth 10000), the C stack is exhausted.
History

Mon, 11 May 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Jqlang
Jqlang jq
Vendors & Products Jqlang
Jqlang jq

Mon, 11 May 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 11 May 2026 18:00:00 +0000

Type Values Removed Values Added
Description jq is a command-line JSON processor. In 1.8.1 and earlier, jv_contains recurses into nested arrays/objects with no depth limit. With a sufficiently nested input structure (built programmatically with reduce, since the JSON parser caps at depth 10000), the C stack is exhausted.
Title jq: Stack overflow via unbounded recursion in jv_contains
Weaknesses CWE-674
References
Metrics cvssV4_0

{'score': 5.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-11T18:23:27.762Z

Reserved: 2026-04-14T14:07:59.642Z

Link: CVE-2026-40612

cve-icon Vulnrichment

Updated: 2026-05-11T18:23:15.524Z

cve-icon NVD

Status : Received

Published: 2026-05-11T18:16:33.670

Modified: 2026-05-11T19:16:22.567

Link: CVE-2026-40612

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-11T20:00:15Z