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Description

jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.

PUBLISHED Reserved 2026-05-04 | Published 2026-05-11 | Updated 2026-05-11 | Assigner GitHub_M




MEDIUM: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-674: Uncontrolled Recursion

Product status

<= 1.8.1
affected

References

github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846

cve.org (CVE-2026-43896)

nvd.nist.gov (CVE-2026-43896)

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