Vulnerability in Google Chrome

CVE-2016-1631

The PPB_Flash_MessageLoop_Impl::InternalRun function in content/renderer/pepper/ppb_flash_message_loop_impl.cc in the Pepper plugin in Google Chrome before 49.0.2623.75 mishandles nested message loops, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

EPSS: 0.013 (68.2th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1631?
CVE-2016-1631 is a high-severity vulnerability in Google Chrome, classified under CWE-264. CVSS score: 8.8/10. Published 2016-03-06.
How severe is CVE-2016-1631?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-1631 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.