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vulnerabilityCVE-2026-54679
Name
CVE-2026-54679
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
jq
Exploitable

Vulnerability Ratings#


6.9
CVSSv4
5.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.7.1
Patched
buildroot
master
1.8.2
Not Affected
openwrt
master
1.8.2-r1
Not Affected
yocto
kirkstone
1.6+gitX
Exploitable
yocto
master
1.8.2
Not Affected
yocto
scarthgap
1.7.1
Patched

Resolved with patches#


jq (buildroot:2025.02.x)

#
Title
Author
Resolve
1
Tighten string length bounds and propagate invalid jv in
itchyny <itchyny@cybozu.co.jp>
CVE-2026-54679

jq (yocto:scarthgap)

#
Title
Author
Resolve
1
Tighten string length bounds and propagate invalid jv in
itchyny <itchyny@cybozu.co.jp>
CVE-2026-54679