Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
8.8

Heap buffer overflow in WebAudio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-21160 · published 5 years ago
Summary

Heap buffer overflow in WebAudio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

What to do
  • Update google chrome to version 89.0.4389.72 or later.
Affected software
VendorProductAffected versions
google chrome < 89.0.4389.72
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
fedoraproject fedora 32
33
34
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
debian debian_linux 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Original advisory text
Heap buffer overflow in WebAudio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Heap buffer overflow in WebAudio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
2% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published9 Mar 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-21160 · NVD
Track software like this
Free during beta