What’s Vulnerable › Vulnerabilities
CVE-2020-16009: Google Chromium V8 Type Confusion Vulnerability
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: yes — in CISA KEV since 2021-11-03
- EPSS: 48.3% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-11-03 · updated 2026-06-17
- Weakness: CWE-787
Description
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.
Affected products
- CefSharp: before 86.0.241 — fixed in 86.0.241
- Debian Linux: 10.0
- Fedoraproject Fedora: 32, 33
- Google Chrome: before 86.0.4240.183 — fixed in 86.0.4240.183
- Microsoft Edge: before 86.0.622.63 — fixed in 86.0.622.63
- Microsoft Edge (Chromium): before 86.0.4240.183 — fixed in 86.0.4240.183
- openSUSE Backports Sle: 15.0-sp1, 15.0-sp2
- openSUSE Leap: 15.1, 15.2
How to fix
Upgrade to a fixed version: CefSharp 86.0.241; Google Chrome 86.0.4240.183; Microsoft Edge 86.0.622.63; Microsoft Edge (Chromium) 86.0.4240.183. Check the vendor advisory for mitigations.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.html
- http://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.html
- https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop.html
- https://crbug.com/1143772
- 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/202011-12
- https://www.debian.org/security/2021/dsa-4824
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.html
- http://packetstormsecurity.com/files/159974/Chrome-V8-Turbofan-Type-Confusion.html
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