Medium severity5.5NVD Advisory· Published Jun 25, 2026· Updated Jun 26, 2026

CVE-2026-54679

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.

Affected products

Jqlang/Jq2 versions
cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*range: <1.8.2
- (no CPE)range: <1.8.2
osv-coords2 versions
pkg:rpm/opensuse/jq&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/jq&distro=openSUSE%20Leap%2016.0
< 1.8.2-1.1+ 1 more
- (no CPE)range: < 1.8.2-1.1
- (no CPE)range: < 1.7.1-160000.4.1

Patches

Vulnerability mechanics

References

github.com/jqlang/jq/security/advisories/GHSA-29gj-222p-j7vxnvdVendor Advisory

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000