Out-of-bounds Read in Google Chrome
CVE-2018-6143
Insufficient validation in V8 in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (74.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Debian Linux — versions 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Workstation — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/104309 (vdb-entry)
- chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop_58.html
- www.securitytracker.com/id/1041014 (vdb-entry)
- crbug.com/843022
- access.redhat.com/errata/RHSA-2018:1815 (vendor-advisory)
- www.debian.org/security/2018/dsa-4237 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6143?
- CVE-2018-6143 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2019-01-09.
- How severe is CVE-2018-6143?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-6143 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.