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Vulnerability record · CVE-2017-5121 · published 27 October 2017

CVE-2017-5121: Google chrome improper input validation vulnerability

Google · Chrome

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.

8.8 CVSS 3.1 High EPSS 5.3% · top 7.7% CWE-20 · Improper input validation
8.8CVSS 3.1 base score, v2 6.8
5.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

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.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2017/dsa-3985
http://www.securityfocus.com/bid/100947
http://www.securitytracker.com/id/1039497
https://access.redhat.com/errata/RHSA-2017:2792
https://blogs.technet.microsoft.com/mmpc/2017/10/18/browser-security-beyond-sandboxing/
https://chromereleases.googleblog.com/2017/09/stable-channel-update-for-desktop_21.html
https://crbug.com/765433
https://security.gentoo.org/glsa/201709-25
http://www.debian.org/security/2017/dsa-3985
http://www.securityfocus.com/bid/100947
http://www.securitytracker.com/id/1039497
https://access.redhat.com/errata/RHSA-2017:2792
https://blogs.technet.microsoft.com/mmpc/2017/10/18/browser-security-beyond-sandboxing/
https://chromereleases.googleblog.com/2017/09/stable-channel-update-for-desktop_21.html
https://crbug.com/765433
https://security.gentoo.org/glsa/201709-25

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-5121), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.