CVE-2011-0991
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is...
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to finalizing and then resurrecting a DynamicMethod instance.
Exploit likelihood
What each source reports
NVD Score used
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to finalizing and then resurrecting a DynamicMethod instance.
- Record
CVE-2011-0991- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to finalizing and then resurrecting a DynamicMethod instance.
- Record
CVE-2011-0991- Updated
- 2026-11-02
EUVDEUVD-2011-1003 No score
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to finalizing and then resurrecting a DynamicMethod instance.
- Record
EUVD-2011-1003- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6gxj-qxj4-wm7j No score
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is...
Use-after-free vulnerability in Mono, when Moonlight 2.x before 2.4.1 or 3.x before 3.99.3 is used, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to finalizing and then resurrecting a DynamicMethod instance.
- Record
GHSA-6gxj-qxj4-wm7j- 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-2011-0991 is a medium vulnerability (CVSS 6.8) in Mono, published April 13, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.93%, the 87th percentile. No source names a fixed version.
References
bugzilla.novell.com/show_bug.cgi?id=660422
github.com/mono/mono/commit/89d1455a80ef13cddee5d79ec00c06055da3085c
exchange.xforce.ibmcloud.com/vulnerabilities/66626
securityfocus.com/bid/47208
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openwall.com/lists/oss-security/2011/04/06/14
secunia.com/advisories/44002
mono-project.com/Vulnerabilities
lists.opensuse.org/opensuse-updates/2011-04/msg00024.html
vupen.com/english/advisories/2011/0904
nvd.nist.gov/vuln/detail/CVE-2011-0991