CVE-2026-40612
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.
More information : https://github.com/jqlang/jq/security/advisories/GHSA-r7m6-x9c7-h69j
