CVE-2008-4166 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 2.2% (pctl 82)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| EPSS | 2.18% — more likely to be exploited than 82% of all CVEs |
| Weakness | CWE-189 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2008-09-22 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| avantbrowser | avant browser |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Avant Browser 11.7 Build 9 - JavaScript Engine Integer Overflow | 2008-09-12 |
References
- http://securityreason.com/securityalert/4284
- http://www.securityfocus.com/archive/1/496301/100/0/threaded
- http://www.securityfocus.com/bid/31155
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45121
- http://securityreason.com/securityalert/4284
- http://www.securityfocus.com/archive/1/496301/100/0/threaded
- http://www.securityfocus.com/bid/31155
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45121
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