Use after free in Google Chrome
Priority LOW 39CWE-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. Impact type from CWE-416 and the CVSS impact.
Summary
Incorrect object lifecycle in Extensions in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Why it matters now
EPSS 0.006 48th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 71.0.3578.80
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Chrome (Google) Fixed in 71.0.3578.80
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 71.0.3578.80
6 records Highest priority Priority LOW 6 LOW
Other records, highest priority first
- TI-2018-14226 Improper input validation in Google ChromePriority LOW 39
- TI-2018-14231 Improper input validation in Google ChromePriority LOW 29
- TI-2018-14230 Failure to prevent navigation to top frame to data URLs in Navigation in Google Chrome on…Priority LOW 20
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20066
- 2026-10-03 Alias added: GHSA-4r75-3cj5-x52w
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-2018-20066 · CVE Program
- CVE-2018-20066 · NVD
- FIRST EPSS
- GHSA-4r75-3cj5-x52w · GitHub Advisory Database · CC BY 4.0
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