It was possible to move the cursor using pointerlock from an iframe. This allowed moving the cursor outside of the viewport and the Firefox window. This vulnerability affects Firefox < 128 and Thunderbird < 128.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-6608.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "128.0" } ] }, { "events": [ { "introduced": "0" }, { "fixed": "128.0" } ] } ]