CVE-2016-2843: Multiple unspecified vulnerabilities in Google V8 before 4.9.385.26, as used in Google Chrome before 49.0.2623

Q: How do I fix CVE-2016-2843?

chrome: upgrade to newer than 48.0.2564.116; v8: upgrade to newer than 4.9.385. Exact commands for each OS are on this page.

Q: Is CVE-2016-2843 being exploited?

CVE-2016-2843 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2016-2843 affect?

CVE-2016-2843 affects chrome, v8. Severity is critical (CVSS 9.8). Multiple unspecified vulnerabilities in Google V8 before 4.9.385.26, as used in Google Chrome before 49.0.2623.75, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.

Q: How urgent is CVE-2016-2843?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADEUPGRADE

CVE-2016-2843 is a critical-severity flaw (CVSS 9.8) affecting chrome, v8. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple unspecified vulnerabilities in Google V8 before 4.9.385.26, as used in Google Chrome before 49.0.2623.75, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2016-03-06
Last modified	2026-06-17

Publisher (CNA): Chrome · Vendor: google

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2016-03-06 02:59 UTCPublished CVE record published
2026-06-17 00:44 UTCUpdated Record last modified

google chrome UPGRADE

Affected: <= 48.0.2564.116

Fixed in: newer than 48.0.2564.116

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chrome || rpm -q chrome || chrome --version

2. UPGRADE to newer than 48.0.2564.116 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chrome

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chrome

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

google v8 UPGRADE

Affected: <= 4.9.385

Fixed in: newer than 4.9.385

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy v8 || rpm -q v8 || v8 --version

2. UPGRADE to newer than 4.9.385 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade v8

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade v8

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · 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-2016-2843?

chrome: upgrade to newer than 48.0.2564.116; v8: upgrade to newer than 4.9.385. Exact commands for each OS are on this page.

Is CVE-2016-2843 being exploited?

CVE-2016-2843 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-2016-2843 affect?

CVE-2016-2843 affects chrome, v8. Severity is critical (CVSS 9.8). Multiple unspecified vulnerabilities in Google V8 before 4.9.385.26, as used in Google Chrome before 49.0.2623.75, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.

How urgent is CVE-2016-2843?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Google Chrome vulnerabilities

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References

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