Use after free in Google Chrome
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
Use after free in WebXR in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | before 84.0.4147.125 | 84.0.4147.125 | Patch available | CNA |
- Chrome VendorGoogle Affected before 84.0.4147.125 Fixed in 84.0.4147.125 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | before 84.0.4147.125 | Vulnerable | |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 84.0.4147.125 Vulnerable ·Google
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA Chrome (Google) Fixed in 84.0.4147.125
Red Hat 1 advisory
- RHSA-2020:3560 Released 2020-08-26 · Red Hat rating Importantchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-84.0.4147.135-1.el6_10
- Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-84.0.4147.135-1.el6_10
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-84.0.4147.135-1.el6_10
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-84.0.4147.135-1.el6_10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Google Chrome — FEDORA-2020-6da740d38c
34 records Highest priority Priority MEDIUM 17 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2020-05399 Use after free in Google ChromePriority MEDIUM 60
- TI-2020-05398 Use after free in Google ChromePriority MEDIUM 60
- TI-2020-05390 Use after free in Google ChromePriority MEDIUM 58
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2020:3560 |
| Red Hat Enterprise Linux HPC Node Supplementary (v. 6) | Fixed | RHSA-2020:3560 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2020:3560 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2020:3560 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6551
- 2026-10-03 Alias added: GHSA-mwjp-gcwv-rwcr
References
Advisory 6
- https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html
- https://crbug.com/1107815
- FEDORA-2020-6da740d38c
- http://packetstormsecurity.com/files/159611/Chrome-XRSystem-FocusedFrameChanged-and-FocusController-NotifyFocusChangedObservers-Use-After-Free.html
- DSA-4824
- GLSA-202101-30
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2020-6551 · CVE Program
- CVE-2020-6551 · NVD
- FIRST EPSS
- GHSA-mwjp-gcwv-rwcr · GitHub Advisory Database · CC BY 4.0
- CVE-2020-6551 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences