Stack-based buffer overflow in RealNetworks RealPlayer 15.0.5.109 allows user-assisted remote attackers to execute arbitrary code via a crafted ZIP file that triggers incorrect processing of long pathnames by the Watch Folders feature.
Conclusion & alert: CVE-2012-4987 is rated Moderate Risk (56.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.99%). 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 | 2026-06-15 | 4.01% | 2.99% | -1.02% |
| 2 | 2025-03-30 | 3.93% | 4.01% | +0.08% |
| 3 | 2025-03-29 | — | 3.93% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| realnetworks | realplayer | 15.0.5.109 | cpe:2.3:a:realnetworks:realplayer:15.0.5.109:*:*:*:*:*:*:* |