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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846 Exploit, Vendor Advisory
- https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846 Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · jqlangNVD modified 2026-10-26 18:10
Affected (CPE criteria) 1
cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*
References 2
- https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846 Exploit, Vendor Advisory
- https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846 Exploit, Vendor Advisory