CVE-2008-4166 json
Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (a…
published 2008-09-22 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-4149
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-32381)
- Published
Exploit prediction
2.18% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-32381 Avant Browser 11.7 Build 9 - JavaScript Engine Integer Overflow dos, 2008-09-12
- securityfocus.com http://www.securityfocus.com/bid/31155 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-189 Numeric Errors
References
-
securityfocus.com
/bid/31155
vdb-entry, exploit
-
securityreason.com
/securityalert/4284
third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/45121
vdb-entry
-
securityfocus.com
/archive/1/496301/100/0/threaded
mailing-list
Sources
- CVE List CVE-2008-4166
- NVD CVE-2008-4166
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.