CVE-2007-1501

Exp

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.

Published: 2007-03-19 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2007-1501

EDB-ID Source Kind Published Link
3514 exploit_db edb 2007-03-18 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-1501

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-1501

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-1501

Affected software / configurations for CVE-2007-1501

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:*:*:*:*:*:*:*

References for CVE-2007-1501

cvelogic Threat Intelligence