Use after free in Google Chrome
Priority MEDIUM 42CWE-416Published · Updated
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 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A double-eviction in the Incognito mode cache that lead to a user-after-free in cache in Google Chrome prior to 66.0.3359.139 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page.
Why it matters now
EPSS 0.0191 79th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 66.0.3359.139Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Chrome (Google) Fixed in 66.0.3359.139
Red Hat 1 advisory
- RHSA-2018:1321 Released 2018-05-03 · Red Hat rating Criticalchromium-browser security update
- Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-66.0.3359.139-1.el6_9
- Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-66.0.3359.139-1.el6_9
- Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-66.0.3359.139-1.el6_9
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop Supplementary (v. 6) | Fixed | RHSA-2018:1321 |
| Red Hat Enterprise Linux Server Supplementary (v. 6) | Fixed | RHSA-2018:1321 |
| Red Hat Enterprise Linux Workstation Supplementary (v. 6) | Fixed | RHSA-2018:1321 |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6118
- 2026-10-03 Alias added: GHSA-g93q-r5hj-4m44
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-2018-6118 · CVE Program
- CVE-2018-6118 · NVD
- FIRST EPSS
- GHSA-g93q-r5hj-4m44 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-6118 · 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