CVE-2018-17480

Name: CVE-2018-17480
Creator: NVD / NIST
Published: 2018-12-11T16:29:00.623+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 34.29%

Last modified Jun 17, 2026

CVE-2018-17480 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.. CISA has confirmed active exploitation in the wild. EPSS estimates a 34.29% chance of exploitation in the next 30 days.

Description

Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

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

34.29%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jun 22, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Chrome	< 71.0.3578.80
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Workstation	6.0
Debian	Debian Linux	9.0

References

http://www.securityfocus.com/bid/106084Broken Link, Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3803Third Party Advisory
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.htmlVendor Advisory
https://crbug.com/905940Exploit, Issue Tracking
https://security.gentoo.org/glsa/201908-18Third Party Advisory
https://www.debian.org/security/2018/dsa-4352Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/106084Broken Link, Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3803Third Party Advisory
https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.htmlVendor Advisory
https://crbug.com/905940Exploit, Issue Tracking
https://security.gentoo.org/glsa/201908-18Third Party Advisory
https://www.debian.org/security/2018/dsa-4352Mailing List, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-17480US Government Resource

Timeline

Published: Dec 11, 2018
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2018-17480?

How severe is CVE-2018-17480?

CVE-2018-17480 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 34.29% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2018-17480?

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-2018-17480?

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

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Source: NVD / NIST