CVE-2011-0991 (GCVE-0-2011-0991)
Vulnerability from cvelistv5 – Published: 2011-04-13 21:00 – Updated: 2024-08-06 22:14
VLAI
EPSS
VEX
Summary
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.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://bugzilla.novell.com/show_bug.cgi?id=660422 | x_refsource_CONFIRM |
| https://github.com/mono/mono/commit/89d1455a80ef1… | x_refsource_CONFIRM |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| https://bugzilla.novell.com/show_bug.cgi?id=667077 | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/47208 | vdb-entryx_refsource_BID |
| https://github.com/mono/mono/commit/3f8ee42b8c867… | x_refsource_CONFIRM |
| http://openwall.com/lists/oss-security/2011/04/06/14 | mailing-listx_refsource_MLIST |
| http://secunia.com/advisories/44002 | third-party-advisoryx_refsource_SECUNIA |
| http://www.mono-project.com/Vulnerabilities | x_refsource_CONFIRM |
| http://secunia.com/advisories/44076 | third-party-advisoryx_refsource_SECUNIA |
| http://lists.opensuse.org/opensuse-updates/2011-0… | mailing-listx_refsource_MLIST |
| http://www.vupen.com/english/advisories/2011/0904 | vdb-entryx_refsource_VUPEN |
| https://github.com/mono/mono/commit/8eb1189099e02… | x_refsource_CONFIRM |
Date Public
2011-04-06 00:00
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"criteria": "cpe:2.3:a:novell:moonlight:3.0:*:*:*:*:*:*:*",
"matchCriteriaId": "AADDCD5B-D116-4BFC-BD2B-4EB6F4470359",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:novell:moonlight:3.99:*:*:*:*:*:*:*",
"matchCriteriaId": "21676825-737D-4071-A7F1-BFB6047215F1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Vulnerabilidad de uso despu\u00e9s de la liberaci\u00f3n en Mono cuando se usa Moonlight v2.x anteriores a v2.4.1 o v3.x anteriores a v3.99.3 , permite a atacantes remotos producir una denegaci\u00f3n de servicio (ca\u00edda de aplicaci\u00f3n) o posiblemente alg\u00fan impacto a trav\u00e9s de vectores relacionados con la finalizaci\u00f3n y luego resucitar una instancia DynamicMethod."
}
],
"id": "CVE-2011-0991",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2011-04-13T21:55:00.830",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-updates/2011-04/msg00024.html"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "http://openwall.com/lists/oss-security/2011/04/06/14"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44002"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44076"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://www.mono-project.com/Vulnerabilities"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/47208"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2011/0904"
},
{
"source": "cve@mitre.org",
"url": "https://bugzilla.novell.com/show_bug.cgi?id=660422"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://bugzilla.novell.com/show_bug.cgi?id=667077"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66626"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://github.com/mono/mono/commit/3f8ee42b8c867d9a4c18c22657840d072cca5c3a"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://github.com/mono/mono/commit/89d1455a80ef13cddee5d79ec00c06055da3085c"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://github.com/mono/mono/commit/8eb1189099e02372fd45ca1c67230eccf1edddc0"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2011-04/msg00024.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "http://openwall.com/lists/oss-security/2011/04/06/14"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44002"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/44076"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.mono-project.com/Vulnerabilities"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/47208"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://www.vupen.com/english/advisories/2011/0904"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.novell.com/show_bug.cgi?id=660422"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://bugzilla.novell.com/show_bug.cgi?id=667077"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/66626"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://github.com/mono/mono/commit/3f8ee42b8c867d9a4c18c22657840d072cca5c3a"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://github.com/mono/mono/commit/89d1455a80ef13cddee5d79ec00c06055da3085c"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://github.com/mono/mono/commit/8eb1189099e02372fd45ca1c67230eccf1edddc0"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T12:58:16+00:00",
"cve": "CVE-2011-0991",
"id": "CVE-2011-0991",
"initial_release_date": "2011-04-06T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "mono: multiple vulnerabilities fixed in 2.4.1/3.99.3",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-0991.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2023-12-09T03:31:05Z",
"cve": "CVE-2011-0991",
"id": "CVE-2011-0991",
"initial_release_date": "2023-02-15T05:54:15Z",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-0991",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-0991.json",
"version": "4"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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