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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-40612

jq: Stack overflow via unbounded recursion in jv_contains

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

jqlang jq

  • <= 1.8.1affected

References