Multiple unspecified vulnerabilities in Google V8 before 4.2.77.14, as used in Google Chrome before 42.0.2311.90, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.
Conclusion & alert: CVE-2015-3333 is rated Moderate Risk (47.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.26%). 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 | 2025-10-05 | 0.24% | 0.26% | +0.01% |
| 2 | 2025-05-10 | 0.26% | 0.24% | -0.01% |
| 3 | 2025-03-30 | — | 0.26% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2015-3333 medium priority: Ubuntu including 4 source packages (chromium-browser, libv8, libv8-3.14, oxide-qt), 52 status rows across 13 suites (artful, bionic, cosmic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): released 20, DNE 17, ignored 13, needs-triage 2. | https://ubuntu.com/security/CVE-2015-3333 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| v8 | <= 4.2.77.7 | cpe:2.3:a:google:v8:*:*:*:*:*:*:*:* | |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 15.04 | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* |
| chrome | <= 42.0.2311.60 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |