CVE-2026-54679
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductJq
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-190Integer overflow
How to fix
Update
- jqlang jq1.8.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jqlang jq | v < 1.8.2 | 1.8.2 |
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