CVE-2021-21159 is a heap-based buffer overflow vulnerability impacting Google Chrome versions 88.0.4324.182 and earlier. A proof of concept (PoC) was not observed publicly or in the underground.
PoC Links(if available):
Known Counter Measures:
Google addressed the vulnerability in a stable channel update by releasing Chrome version 89.0.4389.72.
Links to patches(if available)