Out-of-bounds Read in Google Chrome

CVE-2016-5186

Devtools in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android incorrectly handled objects after a tab crash, which allowed a remote attacker to perform an out of bounds memory read via crafted PDF files.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.007 (53.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2016-5186: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • Google Chrome
  • Chrome Prior To 54.0.2840.59 For Windows, Mac, And Linux; 54.0.2840.85 Android — versions Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-5186?
CVE-2016-5186 is a medium-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2016-12-18.
How severe is CVE-2016-5186?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2016-5186 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.