CVE-2009-4186 EXPLOIT
9.3
HIGH · CVSS 2.0 · EPSS 6.5% (pctl 94)
Patch early
A public exploit exists.
Description
Stack consumption vulnerability in Apple Safari 4.0.3 on Windows allows remote attackers to cause a denial of service (application crash) via a long URI value (aka url) in the Cascading Style Sheets (CSS) background property.
Scoring
| CVSS | 9.3 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 6.53% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-12-03 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| apple | safari |
| microsoft | windows |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple Safari 4.0.3 (Windows x86) - 'CSS' Remote Denial of Service (1) | 2009-11-16 |
References
→ the Explorer · watch your stack · NVD