Is CVE-2011-0992 in the CISA KEV catalog?

No. CVE-2011-0992 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-0992?

CVE-2011-0992 has a CVSS v2 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2011-0992?

CVE-2011-0992 has an EPSS score of 2.69% (84th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-0992?

Upgrade libmono-2.0-1 on ubuntu 14.04 to 3.2.8+dfsg-4ubuntu1.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2011-0992

MEDIUMEPSS 84th pctl

5.8

CVSS v2

NVD

Description

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 (plugin crash) or obtain sensitive information via vectors related to member data in a resurrected MonoThread instance.

CWE-399Resource Management Errors

How to fix

Remediation Available

libmono-2.0-1Ubuntu

Fixed in:3.2.8+dfsg-4ubuntu1.1USN-2547-1

monoUbuntu

Fixed in:3.2.8+dfsg-4ubuntu1.1USN-2547-1

mono-runtimeUbuntu

Fixed in:3.2.8+dfsg-4ubuntu1.1USN-2547-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.69%probability of exploitation in 30 days

84thpercentile

Elevated risk: more likely to be exploited than 84% of all known CVEs.

References

Patch4

Vendor Advisory4

Other references4

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.