Stack-based buffer overflow in Avant Browser 11.0 build 26 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long Content-Type HTTP header.
Conclusion & alert: CVE-2007-1501 is rated High Exploit Risk (79.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.83%, 92th percentile). Core evidence: 1 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 |
|---|---|---|---|---|
| 3514 | exploit_db | edb | 2007-03-18 | 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 | 2026-06-15 | 14.34% | 5.83% | -8.51% |
| 2 | 2025-11-05 | 13.87% | 14.34% | +0.47% |
| 3 | 2025-10-07 | — | 13.87% | — |
Full EPSS history (12 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 | Product | Version | Raw CPE |
|---|---|---|---|
| avant_force | avant_browser | 11.0_build_26 | cpe:2.3:a:avant_force:avant_browser:11.0_build_26:*:*:*:*:*:*:* |