CVE-2026-43896

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846	Exploit Vendor Advisory
https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*

History

26 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) jq es un procesador JSON de línea de comandos. En 1.8.1 y versiones anteriores, la recursividad ilimitada en jv_object_merge_recursive() permite que un programa jq malintencionado bloquee el proceso con un error de segmentación. La función es accesible a través del operador * cuando ambos operandos son objetos.

Information

Published : 2026-05-11 18:16

Updated : 2026-10-26 18:10

NVD link : CVE-2026-43896

Mitre link : CVE-2026-43896

CVE.ORG link : CVE-2026-43896

JSON object : View

Products Affected

jqlang

jq

CWE

CWE-674

Uncontrolled Recursion

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