HOMEVULNERABILITIESCVE-2011-0990
MEDIUM

CVE-2011-0990

CWE-362Published: April 13, 2011· Updated: Jun 16, 2026

5.8
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2011-0990 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityP
AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected Vendors & Products

mono1 product(s)
mono
novell1 product(s)
moonlight
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (20)

Quick Facts

CVE IDCVE-2011-0990
CVSS Score5.8 / 10
SeverityMEDIUM
WeaknessCWE-362
CISA KEVNo
Affected2 vendor(s)
PublishedApr 13, 2011

Related CVEs (CWE-362)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2011-0990 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.