CVE-2026-54679

VendorjqlangProductjqDiscoveredJun 25, 2026UpdatedOct 25, 2026

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.

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CVSS v3.1

5.5 MEDIUM

EPSS

0.15%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

Intelligence Reports1

1 intelligence report available

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CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

ScopeUNCHANGED

ConfidentialityNONE

IntegrityNONE

AvailabilityHIGH

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

Connections

2 relationships

CWE-190

source

Timeline

disclosure → media coverage

Jun 25, 2026

Disclosure — published as a CVE record. · last revised by NVD Oct 25, 2026