CVE-2026-43896

Name	CVE-2026-43896
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
jq (PTS)	bullseye	1.6-2.1	vulnerable
	bullseye (security)	1.6-2.1+deb11u1	vulnerable
	bookworm	1.6-2.1+deb12u1	vulnerable
	trixie	1.7.1-6+deb13u1	vulnerable
	forky, sid	1.8.1-5	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
jq	source	(unstable)	(unfixed)

https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846