Multiple unspecified vulnerabilities in Google V8 before 4.5.103.29, as used in Google Chrome before 45.0.2454.85, allow attackers to cause a denial of service or possibly have other impact via unknown vectors.
Conclusion & alert: CVE-2015-6580 is rated Moderate Risk (41.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). 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 | 2025-03-30 | 0.18% | 0.15% | -0.03% |
| 2 | 2025-03-29 | 0.12% | 0.18% | +0.05% |
| 3 | 2023-11-08 | — | 0.12% | — |
Full EPSS history (5 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-2015-6580 medium priority: Ubuntu including 4 source packages (chromium-browser, libv8, libv8-3.14, oxide-qt), 44 status rows across 11 suites (artful, bionic, cosmic, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): released 18, DNE 14, ignored 10, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2015-6580 |