HIGH
CVE-2021-21220
CVSS
8.8
KEV
Description
Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Summary dbcve.org
Insufficient validation of untrusted input in the V8 JavaScript engine in Google Chrome prior to version 89.0.4389.128 allows a remote attacker to exploit heap corruption via a crafted HTML page, potentially leading to arbitrary code execution.
Mitigation
Update Google Chrome to version 89.0.4389.128 or later to patch the V8 vulnerability.
Weakness (CWE)
CWE-787
Out-of-bounds Write
EPSS Score
70.44%
Probability of exploitation in next 30 days
99.4th percentile
References
http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Bounds-Access-Remote-Code-Execution.html
Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-Execution.html
Third Party Advisory, VDB Entry
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
Release Notes
https://crbug.com/1196683
Exploit, Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
Release Notes
https://security.gentoo.org/glsa/202104-08
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21220
US Government Resource
Base CVE data derived from NVD (public domain). Enrichment by
dbcve.org
(CC-BY-4.0). Fetched via API.