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Fencer Vulns
high 8.8

CVE-2017-5121 json

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 t…

published 2017-10-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14230

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

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.

Patch / fix

  • google chrome 61.0.3163.100
  • chromium-browser Ubuntu 14.04 LTS 61.0.3163.100-0ubuntu0.14.04.1202
  • chromium-browser Ubuntu 16.04 LTS 61.0.3163.100-0ubuntu0.16.04.1306
  • chromium-browser Ubuntu 18.04 LTS 61.0.3163.100-0ubuntu1.1378

ubuntu advisories UBUNTU-CVE-2017-5121

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 61.0.3163.100-1.el6_9

red hat advisories RHSA-2017:2792

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 12 SP2 61.0.3163.100-32.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2017:2557-1openSUSE-SU-2017:2558-1

  • chromium Arch Linux 61.0.3163.100-1

arch linux advisories AVG-411

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-5121 updated cvss 8.8

chromium-browser: out-of-bounds access in v8

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 61.0.3163.100-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 61.0.3163.100-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 61.0.3163.100-1.el6_9
    fixed: vendor fix RHSA-2017:2792

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.29% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • n/a Google Chrome prior to 61.0.3163.100 for Linux, Windows and Mac

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.