CVE-2026-3979 quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free

A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function jsiteratorconcatreturn of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name:...