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CVE-2026-54679— jq: potential integer overflow in jvp_string_append

AI Predicted 7.8 Difficulty: Easy EPSS 0.12% · P2

Possible ATT&CK Techniques 1AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-54679

Vulnerability Information
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Vulnerability Title
jq: potential integer overflow in jvp_string_append
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
jqlangjq < 1.8.2 -

II. Public POCs for CVE-2026-54679

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III. Intelligence Information for CVE-2026-54679

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Other References for CVE-2026-54679 (1)

Same Patch Batch · jqlang · 2026-06-25 · 3 CVEs total

CVE-2026-498397.1 HIGHjq --rawfile invalid-state reuse after String too long causes heap-buffer-overflow
CVE-2026-47770jq: stack overflow in deep structural equality

IV. Related Vulnerabilities

Same product: jq
Same vendor: jqlang
Same weakness: CWE-190

V. Comments for CVE-2026-54679

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