Buffer overflow in Google Chrome
CVE-2020-16040
Insufficient data validation in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.996 (99.9th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.996 · newest: 0.996 · change: 0.000
Affected products
- Google Chrome — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- crbug.com/1150649 (Patch, Issue Tracking, Vendor Advisory)
- packetstormsecurity.com/files/162087/Google-Chrome-86.0.4240-V8-Remote-Code-Exe… (Broken Link)
- packetstormsecurity.com/files/162106/Google-Chrome-86.0.4240-V8-Remote-Code-Exe… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/162144/Google-Chrome-SimplfiedLowering-Integer-Ov… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16040?
- CVE-2020-16040 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-01-08.
- How severe is CVE-2020-16040?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-16040 known to be exploited?
- 28 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.