CVE-2021-21156
moderate-risk
Published 2021-02-22
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted script.
Do I need to act?
~
1.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Vendors
References (12)
Third Party Advisory
http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html
Permissions Required
https://crbug.com/1177341
Third Party Advisory
https://security.gentoo.org/glsa/202104-08
Third Party Advisory
http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html
Permissions Required
https://crbug.com/1177341
Third Party Advisory
https://security.gentoo.org/glsa/202104-08
43
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
4/34 · Minimal
Exposure
9/34 · Low