There is an updated pull request by pullmoll against master on the void-packages repository

https://github.com/pullmoll/void-packages chromium
https://github.com/void-linux/void-packages/pull/29205

[WIP] chromium: update to 89.0.4389.72
CVE-2021-21166

+ x86_64 patch set updated, built, tested very cursory and seems to work
+ i686 patch applies w/o change, built, cursory test in a VM
+ x86_64-musl patch set updated, built, "Aw, Snap!" in a VM
  seccomp-bpf failure in syscall 0324
+ patches/xxx-ppc64le-support.patch removed for now (already upstreamed? need to check again)
+ files/musl-paches/xxx-ppc64le-support.patch stripped down to what still applies
+ system opus disabled because the generated shim header opus.h tries to include <opus.h> and fails
+ not sure if libc_malloc.patch is ok, i.e. simply use malloc() instead of __libc_malloc().
+ more to do

[ci skip]

If you don't want to build yourself:
https://repo.voidlinux.de/x86_64/chromium-89.0.4389.72_1.x86_64.xbps
https://repo.voidlinux.de/i686/chromium-89.0.4389.72_1.i686.xbps


A patch file from https://github.com/void-linux/void-packages/pull/29205.patch is attached