CVE-2016-1631 Security feature bypass in n/a

What is CVE-2016-1631?

CVE-2016-1631 is a high-severity vulnerability in Google Chrome, published on 6 Mar 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-264

Which versions are affected by CVE-2016-1631?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2016-1631?

Upgrade to a fixed version.

Is CVE-2016-1631 being exploited?

There is no known exploitation of CVE-2016-1631 in the wild and no public exploit code.

Other vulnerabilities in Google Chrome

• CVE-2022-4135 Google Chromium GPU Heap Buffer Overflow Exploited Critical 9.6
• CVE-2020-16017 Google Chrome Use-After-Free Exploited Critical 9.6
• CVE-2020-16010 Google Chrome for Android UI Heap Buffer Overflow Exploited Critical 9.6
• CVE-2026-87491 Google Chromium V8 Out of Bounds Write Exploited High 8.8
• CVE-2026-85046 Google Chromium V8 Type Confusion Exploited High 8.8

All Google Chrome vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3wf8-838v-4qxv, UBUNTU-CVE-2016-1631.