Stack-based buffer overflow in W3C Amaya Web Browser 11.1 allows remote attackers to execute arbitrary code via a script tag with a long defer attribute.
Conclusion & alert: CVE-2009-1209 is rated High Exploit Risk (85.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 28.79%, 97th percentile). Core evidence: 4 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 9330 | exploit_db | edb | 2009-08-03 | Exploit-DB ↗ |
| 8321 | exploit_db | edb | 2009-03-30 | Exploit-DB ↗ |
| 8314 | exploit_db | edb | 2009-03-30 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-05-22 | 29.30% | 28.79% | -0.50% |
| 2 | 2025-08-21 | 27.99% | 29.30% | +1.30% |
| 3 | 2025-03-30 | — | 27.99% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2009-1209 medium priority: Ubuntu including 1 source packages (amaya), 11 status rows across 11 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): DNE 6, ignored 4, needs-triage 1. | https://ubuntu.com/security/CVE-2009-1209 |