CVE-2024-8384 is a vulnerability in the JavaScript garbage collector of Firefox browsers where out-of-memory (OOM) conditions at a specific point between garbage collection passes could cause mis-coloring of cross-compartment objects, potentially leading to memory corruption. This issue affects Firefox versions prior to 130 and Firefox ESR versions prior to 128.2 and 115.15. The vulnerability has a high severity impact and is addressed in Firefox 130 and Firefox ESR 128.2.