The MimeOleClearDirtyTree function in InetComm.dll in Microsoft Outlook Express 6.00.2900.5512 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which allows remote attackers to cause a denial of service (infinite loop) via a large e-mail message, a related issue to CVE-2006-1173.
Conclusion & alert: CVE-2008-5424 is rated High Exploit Risk (67.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 28.81%, 96th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.00% over the last day, indicating growing attacker interest. 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-03-30 | 26.81% | 28.81% | +2.00% |
| 2 | 2025-03-29 | 28.81% | 26.81% | -2.00% |
| 3 | 2025-03-17 | — | 28.81% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | outlook_express | 6.00.2900.5512 | cpe:2.3:a:microsoft:outlook_express:6.00.2900.5512:*:*:*:*:*:*:* |