CVE-2020-16017
Use after free in CefSharp
9.6
CRITICAL
CVSS 3.1
⚠ KEVEPSS 21.4%
Description
Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
How to fix CVE-2020-16017
To remediate CVE-2020-16017, upgrade the affected package to a fixed version below.
- —upgrade to 87.0.4280.88-0.1 or later
- —upgrade to 86.0.241 or later
- —upgrade to 86.0.241 or later
- —upgrade to 86.0.241 or later
- —upgrade to 86.0.241 or later
Is CVE-2020-16017 being exploited?
Yes — CVE-2020-16017 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (5)
- from 0, < 87.0.4280.88-0.1
- from 0, < 86.0.241
- from 0, < 86.0.241
- from 0, < 86.0.241
- from 0, < 86.0.241
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |