CVE-2026-54679

jq is a command-line JSON processor. Prior to 1.8.2, on 32bit system, jvp_string_append has a chance of integer/multiple overflowing and then causing a massive buffer overrun. This vulnerability is fixed in 1.8.2.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/jqlang/jq/security/advisories/GHSA-29gj-222p-j7vx	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

25 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) jq es un procesador JSON de línea de comandos. Antes de la versión 1.8.2, en sistemas de 32 bits, jvp_string_append tiene la posibilidad de desbordamiento de enteros/múltiples y luego causar un desbordamiento masivo del búfer. Esta vulnerabilidad está corregida en la versión 1.8.2.

Information

Published : 2026-06-25 18:16

Updated : 2026-10-25 22:10

NVD link : CVE-2026-54679

Mitre link : CVE-2026-54679

CVE.ORG link : CVE-2026-54679

JSON object : View

Products Affected

jqlang

jq

CWE

CWE-190

Integer Overflow or Wraparound

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