CVE-2008-4166
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote...
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.
Exploit likelihood
What each source reports
NVD Score used
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.
- Record
CVE-2008-4166- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.
- Record
CVE-2008-4166- Updated
- 2026-11-02
EUVDEUVD-2008-4149 No score
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.
- Record
EUVD-2008-4149- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7777-pw9w-4gm5 No score
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote...
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.
- Record
GHSA-7777-pw9w-4gm5- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Avant Browser 11.7 Build 9 - JavaScript Engine Integer Overflow | 2008-09-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-4166 is a medium vulnerability (CVSS 4.3) in Avantbrowser Avant Browser, published September 22, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.18%, the 82nd percentile. No source names a fixed version.