In Mesa before 25.3.6 and 26 before 26.0.1, out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party, and is then used for alloca.Referenceshttps://lists.freedesktop.org/archives/mesa-dev/2026-February/226597.htmlhttps://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39866
