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8.8

Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website to potentially exploit heap corruption via a crafted HTML page.

CVE-2021-30602 · published 5 years ago
Summary

Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website to potentially exploit heap corruption via a crafted HTML page.

What to do
  • Update google chrome to version 92.0.4515.159 or later.
Affected software
VendorProductAffected versions
google chrome < 92.0.4515.159
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
fedoraproject fedora 33
34
35
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Original advisory text
Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website to potentially exploit heap corruption via a crafted HTML page.
Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website 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-416Use After Free
Timeline
Published26 Aug 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-30602 · NVD
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