Race condition in the FastCopy optimization in the Array.Copy method in metadata/icall.c in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to trigger a buffer overflow and modify internal data structures, and cause a denial of service (plugin crash) or corrupt the internal state of the security manager, via a crafted media file in which a thread makes a change after a type check but before a copy action.
CVE-2011-0990 is a security vulnerability that . Impacting 2 products from mono, from novell organizations running these solutions should prioritize assessment and patching.
Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.
2011-04-13T21:55:00.783
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.8 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:P/A:P
8.6
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mono | mono | * | Yes |
| Application | novell | moonlight | 2.0 | Yes |
| Application | novell | moonlight | 2.3.0 | Yes |
| Application | novell | moonlight | 2.4 | Yes |
| Application | novell | moonlight | 2.31 | Yes |
| Application | novell | moonlight | 3.0 | Yes |
| Application | novell | moonlight | 3.99 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mono's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.