CVE-2016-1678: objects.cc in Google V8 before 5.0.71.32, as used in Google Chrome before 51.0.2704.63, does not properly rest
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CVE-2016-1678 is a high-severity flaw (CVSS 8.8) affecting v8, chrome, ubuntu linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
objects.cc in Google V8 before 5.0.71.32, as used in Google Chrome before 51.0.2704.63, does not properly restrict lazy deoptimization, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted JavaScript code.
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
canonical ubuntu linux MITIGATE
Affected: 14.04 · 15.10 · 16.04
Fixed in: no fixed release known
Safe to downgrade to: a release before 14.04
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
debian debian linux MITIGATE
Affected: 8.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 8.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
opensuse leap MITIGATE
Affected: 42.1
Fixed in: no fixed release known
Safe to downgrade to: a release before 42.1
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
opensuse opensuse MITIGATE
Affected: 13.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 13.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · CVE Program · Report a problem with this page Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2016-1678?
v8: upgrade to newer than 5.0.71; chrome: upgrade to newer than 50.0.2661.102; ubuntu linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2016-1678 being exploited?
CVE-2016-1678 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2016-1678 affect?
CVE-2016-1678 affects v8, chrome, ubuntu linux. Severity is high (CVSS 8.8). objects.cc in Google V8 before 5.0.71.32, as used in Google Chrome before 51.0.2704.63, does not properly restrict lazy deoptimization, which allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have
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