CVE-2026-43896
jq: Stack Overflow in Recursive Object Merge
CVSS Score
6.2
EPSS Score
0.0%
EPSS Percentile
2th
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.
| CWE | CWE-674 |
| Vendor | jqlang |
| Product | jq |
| Published | May 11, 2026 |
| Last Updated | May 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
jqlang / jq
<= 1.8.1