CVE-2011-3594 (GCVE-0-2011-3594)
Vulnerability from cvelistv5 – Published: 2011-11-04 21:00 – Updated: 2024-08-06 23:37
VLAI
EPSS
VEX
Summary
The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://oval.cisecurity.org/repository/search/def… | vdb-entrysignaturex_refsource_OVAL |
| http://developer.pidgin.im/viewmtn/revision/diff/… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=743481 | x_refsource_MISC |
| http://www.mandriva.com/security/advisories?name=… | vendor-advisoryx_refsource_MANDRIVA |
| http://secunia.com/advisories/46376 | third-party-advisoryx_refsource_SECUNIA |
| http://developer.pidgin.im/ticket/14636 | x_refsource_CONFIRM |
| http://www.redhat.com/support/errata/RHSA-2011-13… | vendor-advisoryx_refsource_REDHAT |
| http://pidgin.im/news/security/?id=56 | x_refsource_CONFIRM |
Date Public
2011-10-13 00:00
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"id": "CVE-2011-3594",
"lastModified": "2024-11-21T01:30:48.927",
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"published": "2011-11-04T21:55:07.083",
"references": "[{\"url\": \"http://developer.pidgin.im/ticket/14636\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Exploit\"]}, {\"url\": \"http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://pidgin.im/news/security/?id=56\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://secunia.com/advisories/46376\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2011:183\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://www.redhat.com/support/errata/RHSA-2011-1371.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=743481\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"http://developer.pidgin.im/ticket/14636\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\"]}, {\"url\": \"http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://pidgin.im/news/security/?id=56\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://secunia.com/advisories/46376\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2011:183\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.redhat.com/support/errata/RHSA-2011-1371.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=743481\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2011-3594\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2011-11-04T21:55:07.083\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n g_markup_escape_text en el complemento de protocolo SILC en libpurple v2.10.0 y anteriores, como se usa en Pidgin y posiblemente en otros productos, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) a trav\u00e9s de secuencias UTF-8 inv\u00e1lidas que disparan el uso de punteros no v\u00e1lidos y lectura fuera de los l\u00edmites, relacionado con interacciones con ciertas versiones de glib2\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.10.0\",\"matchCriteriaId\":\"E39F2309-88A3-465B-8B00-2AF4F7E5341D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"694E9267-6C77-485A-A387-620C894D0A19\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"38121333-EDB4-49D1-8C78-7AC81A5F1694\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07CF32F1-D3F8-40EF-B82A-24B003196BA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8338C31B-AB47-43F3-BA66-E28D42CA11CA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"91B46C01-4E42-4574-90C6-9BD48FE5E4C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B650359B-C109-40C1-A202-6D52A47FDC6C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"53DD7C31-A4D9-47E0-9B09-821B5922AA0D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C90C816-1692-4FDB-AAFA-EB0C0DB34BB7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.2.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"32C48C29-7D4A-4AA8-8C2C-02A73B659DFC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7ED29C88-6ABD-46F2-AD25-BD82A6FD788A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.3.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"59FAAAF5-BED0-4AAC-AD65-7760688AE8FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0D54940E-FC08-45DD-9F38-B5AAA13E0AA6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.4.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"08A6A399-2600-4266-A1E5-3230C70777D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.4.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E538500B-727D-4BA1-8D03-D3E8D68C64A7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.4.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C3569E38-E238-4F4F-839B-645FA24C75AB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9123A9DA-9582-42AB-B6AA-B4B7A88C9462\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"95271D73-B2C5-4BA5-B99B-A742B89F03F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F648DF2-78D0-4462-BD90-5575A2D43858\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A0C48CD0-8AE6-490E-9D8E-9EE440FA200D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"60D86CF3-4525-4C64-BF96-73D0B8ABD0BC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"61FF2826-D6DF-4F79-9730-B6C30510D4A2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6E7E4244-968E-451C-8B65-89F5AE90743C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3A2B1EE0-7B98-4F65-837E-1E21DA05FCCF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"082B4A01-46EF-49D1-AEC2-E85C44B5EC82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.5.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C8E11B4-4213-4CBB-AE3E-6DFE060BBF81\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7E8CE5BE-03B4-4556-8ADE-6E645AD211F9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:pidgin:libpurple:2.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"78BDC1AE-C390-42D5-A0EF-80A59C350F5D\"},{\"vulnerable\":true,\"criteria\":\"cpe: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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:55:10+00:00",
"cve": "CVE-2011-3594",
"id": "CVE-2011-3594",
"initial_release_date": "2011-09-29T00:00:00+00:00",
"product_status:fixed": "227",
"product_status:known_not_affected": "11",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libpurple: invalid UTF-8 string handling in SILC messages",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-3594.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2025-10-08T01:11:27Z",
"cve": "CVE-2011-3594",
"id": "CVE-2011-3594",
"initial_release_date": "2023-02-15T05:50:45Z",
"product_status:recommended": "328",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-3594",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-3594.json",
"version": "7"
}
}
}
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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.
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.
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