A stack buffer overflow in NumberingSystem in International Components for Unicode (ICU) for C/C++ before 60.2, as used in V8 in Google Chrome prior to 62.0.3202.75 and other products, allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Conclusion & alert: CVE-2017-15396 is rated Moderate Risk (55.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.98%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-18 | 1.79% | 1.98% | +0.18% |
| 2 | 2025-07-29 | 2.03% | 1.79% | -0.24% |
| 3 | 2025-06-13 | — | 2.03% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2017-15396: 1 GLSA(s) (201711-02), 2 atom(s) (www-client/chromium, www-client/google-chrome); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-15396 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2017-15396 |
ubuntu
|
medium | CVE-2017-15396 medium priority: Ubuntu including 3 source packages (chromium-browser, libv8-3.14, oxide-qt), 21 status rows across 7 suites (artful, bionic, cosmic, trusty, upstream, xenial, zesty): ignored 8, released 7, DNE 4, needs-triage 2. | https://ubuntu.com/security/CVE-2017-15396 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| chrome | < 62.0.3202.75 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| icu-project | international_components_for_unicode | < 60.2 | cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* |