CVE-2020-16009

HIGH severity · CVSS 8.8 · Out-of-bounds write · actively exploited (CISA KEV)

8.8CVSS HIGH ● exploited

🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities). Added to KEV 2021-11-03. US federal agencies must patch by 2022-05-03.

Summary

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)84%

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products we track (1)

Microsoft Edge

Recommendation

This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.

Additional information

NVD record
https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlAdvisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.htmlAdvisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S4XYJ7B6OXHZNYSA5J3DBUOFEC6WCAGW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SC3U3H6AISVZB5PLZLLNF4HMQ4UFFL7M/
https://security.gentoo.org/glsa/202011-12Advisory
http://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.htmlAdvisory
https://crbug.com/1143772Exploit