CVE-2020-16009

critical KEV

Published 2020-12-02 · Modified 2021-11-03

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

—

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

CISA KEV

Vendor: Google
Product: Chromium V8
Due date: 2022-05-03

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

OS impact

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`86.0.4240.183-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`87.0.4280.88-0.1`
sid	Fixed	`87.0.4280.88-0.1`
forky	Fixed	`87.0.4280.88-0.1`
bullseye	Fixed	`87.0.4280.88-0.1`
bookworm	Fixed	`87.0.4280.88-0.1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
NuGet	CefSharp.Common	`<86.0.241`	`86.0.241`
NuGet	CefSharp.Wpf	`<86.0.241`	`86.0.241`
NuGet	CefSharp.WinForms	`<86.0.241`	`86.0.241`
NuGet	CefSharp.Wpf.HwndHost	`<86.0.241`	`86.0.241`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.