CVE-2026-43896

EUVD-2026-29174
jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Affected Products (NVD)
VendorProductVersion
jqlangjq
𝑥
≤ 1.8.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
jq
bookworm
no-dsa
bullseye
vulnerable
bullseye (security)
1.6-2.1+deb11u2
fixed
forky
1.8.1-8
fixed
sid
1.8.2-1
fixed
trixie
no-dsa
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
jq
Amazon Linux 2023
0:1.8.1-59.amzn2023
fixed
jq-debuginfo
Amazon Linux 2023
0:1.8.1-59.amzn2023
fixed
jq-debugsource
Amazon Linux 2023
0:1.8.1-59.amzn2023
fixed
jq-devel
Amazon Linux 2023
0:1.8.1-59.amzn2023
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
jq
Azure Linux 3.0
0:1.7.1-6.azl3
fixed
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846
https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846