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 offscreen canvas in Google Chrome prior to 85.0.4183.102 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 85.0.4183.102 | 85.0.4183.102 | Patch available | CNA |
- Chrome VendorGoogle Affected before 85.0.4183.102 Fixed in 85.0.4183.102 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | before 85.0.4183.102 | Vulnerable | |
| cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* | 15.0 sp1 | Vulnerable | openSUSE |
| cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* | 15.0 sp2 | Vulnerable | openSUSE |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 15.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | 15.2 | Vulnerable | openSUSE |
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 85.0.4183.102 Vulnerable ·Google
- cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* Versions 15.0 sp1 Vulnerable ·openSUSE
- cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* Versions 15.0 sp2 Vulnerable ·openSUSE
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* Versions 15.2 Vulnerable ·openSUSE
Remediation
- Fix · CNA Chrome (Google) Fixed in 85.0.4183.102
Red Hat 1 advisory
- RHSA-2020:3740 Released 2020-09-14 · Red Hat rating Importantchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-85.0.4183.102-1.el6_10
- Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser-85.0.4183.102-1.el6_10
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-85.0.4183.102-1.el6_10
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-85.0.4183.102-1.el6_10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Google Chrome — openSUSE-SU-2020:1499
19 records Highest priority Priority MEDIUM 3 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2020-05422 Use after free in Google ChromePriority MEDIUM 45
- TI-2020-05408 Use after free in Google ChromePriority MEDIUM 42
- TI-2020-05424 Race condition in Google ChromePriority LOW 39
- Advisory ·
Google Chrome — openSUSE-SU-2020:1510
19 records Highest priority Priority MEDIUM 3 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2020-05422 Use after free in Google ChromePriority MEDIUM 45
- TI-2020-05408 Use after free in Google ChromePriority MEDIUM 42
- TI-2020-05424 Race condition in Google ChromePriority LOW 39
Show 4 more groups
- Advisory ·
Google Chrome — openSUSE-SU-2020:1514
19 records Highest priority Priority MEDIUM 3 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2020-05422 Use after free in Google ChromePriority MEDIUM 45
- TI-2020-05408 Use after free in Google ChromePriority MEDIUM 42
- TI-2020-05424 Race condition in Google ChromePriority LOW 39
- Advisory ·
Google Chrome — openSUSE-SU-2020:1713
13 records Highest priority Priority MEDIUM 9 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2020-05422 Use after free in Google ChromePriority MEDIUM 45
- TI-2020-12575 Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121…Priority MEDIUM 44
- TI-2020-12573 Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121…Priority MEDIUM 44
- Advisory ·
Google Chrome — FEDORA-2020-aea86f913e
12 records Highest priority Priority MEDIUM 8 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2020-05422 Use after free in Google ChromePriority MEDIUM 45
- TI-2020-12575 Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121…Priority MEDIUM 44
- TI-2020-12573 Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121…Priority MEDIUM 44
- Advisory ·
Google Chrome — FEDORA-2020-2d994b986d
12 records Highest priority Priority MEDIUM 8 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2020-05422 Use after free in Google ChromePriority MEDIUM 45
- TI-2020-12575 Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121…Priority MEDIUM 44
- TI-2020-12573 Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121…Priority MEDIUM 44
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-2020:3740 |
| Red Hat Enterprise Linux HPC Node Supplementary (v. 6) | Fixed | RHSA-2020:3740 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2020:3740 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2020:3740 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6576
- 2026-10-03 Alias added: GHSA-cg2x-f9qq-r586
References
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-2020-6576 · CVE Program
- CVE-2020-6576 · NVD
- FIRST EPSS
- GHSA-cg2x-f9qq-r586 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-6576 · 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