Integer overflow in international date handling in International Components for Unicode (ICU) for C/C++ before 60.1, as used in V8 in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.
Conclusion & alert: CVE-2017-15422 is rated Moderate Risk (56.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.60%). 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 | 2026-04-09 | 2.00% | 2.60% | +0.60% |
| 2 | 2026-03-28 | 3.85% | 2.00% | -1.85% |
| 3 | 2025-12-28 | — | 3.85% | — |
Full EPSS history (24 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 |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-15422 not yet assigned priority: Debian including 1 source packages (icu), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-15422 |
gentoo
|
normal | CVE-2017-15422: 1 GLSA(s) (201801-03), 2 atom(s) (www-client/chromium, www-client/google-chrome); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-15422 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-15422 |
suse
|
medium | CVE-2017-15422 severity moderate: SUSE including 25 source package names (chromedriver-63.0.3239.84-40.1, chromedriver-93.0.4577.82-1.1, …), 156 product×package rows across 59 product lines (Image SLES12-SP5-Azure-BYOS, Image SLES12-SP5-Azure-Basic-On-Demand, … (59 product lines)): Fixed 150, Known Not Affected 6. | https://www.suse.com/security/cve/CVE-2017-15422/ |
ubuntu
|
medium | CVE-2017-15422 medium priority: Ubuntu including 3 source packages (chromium-browser, icu, oxide-qt), 21 status rows across 7 suites (artful, bionic, cosmic, trusty, upstream, xenial, zesty): released 10, ignored 4, DNE 3, needs-triage 2, not-affected 2. | https://ubuntu.com/security/CVE-2017-15422 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| chrome | < 63.0.3239.84 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
| icu-project | international_components_for_unicode | < 60.1 | cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:* |
| 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:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 17.10 | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |