CVE-2017-5121

Name: CVE-2017-5121
Creator: NVD / NIST
Published: 2017-10-27T05:29:02.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 5.29%

Last modified Jun 17, 2026

CVE-2017-5121 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Inappropriate use of JIT optimisation in V8 in Google Chrome prior to 61.0.3163.100 for Linux, Windows, and Mac allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page, related to the escape analysis phase.. EPSS estimates a 5.29% chance of exploitation in the next 30 days.

Description

Inappropriate use of JIT optimisation in V8 in Google Chrome prior to 61.0.3163.100 for Linux, Windows, and Mac allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page, related to the escape analysis phase.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

5.29%

91.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Google	Chrome	< 61.0.3163.100
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Workstation	6.0

References

Timeline

Published: Oct 27, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5121?

How severe is CVE-2017-5121?

CVE-2017-5121 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.29% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5121?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5121?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST