CVE-2011-0990
Race condition in the FastCopy optimization in the Array.Copy method in metadata/icall.c in Mono,...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-0990- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:P - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-0990- Updated
- 2026-11-02
EUVDEUVD-2011-1002 No score
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.
- Record
EUVD-2011-1002- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c2pm-4p8q-67xh No score
Race condition in the FastCopy optimization in the Array.Copy method in metadata/icall.c in Mono,...
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.
- Record
GHSA-c2pm-4p8q-67xh- Weakness
- CWE-362
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0990 is a medium vulnerability (CVSS 5.8) in Mono, published April 13, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.16%, the 82nd percentile. No source names a fixed version.
References
bugzilla.novell.com/show_bug.cgi?id=667077
securityfocus.com/bid/47208
openwall.com/lists/oss-security/2011/04/06/14
secunia.com/advisories/44002
mono-project.com/Vulnerabilities