CVE-2016-1631

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-06 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

Google Chrome: through 48.0.2564.116

References

http://googlechromereleases.blogspot.com/2016/03/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00028.html
http://www.debian.org/security/2016/dsa-3507
http://www.securityfocus.com/bid/84008
http://www.securitytracker.com/id/1035185
http://www.ubuntu.com/usn/USN-2920-1
https://code.google.com/p/chromium/issues/detail?id=569496
https://codereview.chromium.org/1559113002/
https://security.gentoo.org/glsa/201603-09

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