CVE-2020-16011

CRITICAL
9.6
CVSS Score
Published: November 3, 2020 at 02:21 AM UTC
Updated: June 17, 2026 at 02:57 AM UTC
4 products affected across 3 vendorsDebian LinuxChromeLeap· also runs on 1 platform

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Severity
CRITICAL9.6
Exploit prediction
EPSS 2%

Description

Heap buffer overflow in UI in Google Chrome on Windows prior to 86.0.4240.183 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 86.0.4240.183
Affected range stops below 86.0.4240.183, so it looks safe — our inference, not a vendor statement
microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00017.html
x_refsource_MISCPermissions RequiredThird Party Advisory
https://crbug.com/1144489
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2021/dsa-4824

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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