Buffer overflow in Google Chrome
CVE-2018-6120
An integer overflow that could lead to an attacker-controlled heap out-of-bounds write in PDFium in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file.
Vulnerability class: Integer Overflow
EPSS: 0.024 (82.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Google Chrome — versions unspecified
- Debian Debian_linux — versions 9.0
- Redhat Enterprise_linux_desktop — versions 6.0
- Redhat Enterprise_linux_server — versions 6.0
- Redhat Enterprise_linux_workstation — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chrome-cve-admin@google.com (x_refsource_MISC)
- chrome-cve-admin@google.com (x_refsource_REDHAT, vendor-advisory)
- chrome-cve-admin@google.com (vendor-advisory, x_refsource_GENTOO)
- chrome-cve-admin@google.com (x_refsource_CONFIRM)
- chrome-cve-admin@google.com (vdb-entry, x_refsource_BID)
- chrome-cve-admin@google.com (vendor-advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2018-6120?
- CVE-2018-6120 is a high-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2019-01-09.
- How severe is CVE-2018-6120?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-6120 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.