CVE-2026-8362

Unknown · WOSDefaultHttpModule

A stack-based buffer overflow in WOSDefaultHttpModule.dll allows for potential arbitrary code execution when processing long URL paths.

Executive summary

A critical stack-based buffer overflow vulnerability in WOSDefaultHttpModule.dll allows for potential remote code execution via malformed URL paths.

Vulnerability

A stack-based buffer overflow occurs in the WOSDefaultHttpModule.dll when it processes a specially crafted long URL path starting with /woshome.

Business impact

With a CVSS score of 9.8, this vulnerability allows an attacker to trigger memory corruption, which can lead to service crashes or, more severely, arbitrary code execution. This poses a critical risk to servers utilizing this module, potentially allowing for full system compromise.

Remediation

Immediate Action: Identify the software vendor using WOSDefaultHttpModule.dll and apply the relevant security patch or update.

Proactive Monitoring: Monitor web server logs for unusually long URL paths or repetitive requests triggering service instability.

Compensating Controls: Use a WAF to filter and block excessively long URL strings, particularly those targeting common entry points.

Exploitation status

Public Exploit Available: Unknown

Analyst recommendation

This is a classic memory corruption vulnerability with high potential for exploitation. Identifying the affected software and applying vendor-supplied updates is of the highest priority to maintain system integrity.