CVE-2013-4396 (GCVE-0-2013-4396)
Vulnerability from cvelistv5 – Published: 2013-10-10 10:00 – Updated: 2024-08-06 16:45
VLAI
EPSS
VEX
Summary
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-updates/2013-1… | vendor-advisoryx_refsource_SUSE |
| http://rhn.redhat.com/errata/RHSA-2013-1426.html | vendor-advisoryx_refsource_REDHAT |
| http://lists.opensuse.org/opensuse-updates/2013-1… | vendor-advisoryx_refsource_SUSE |
| http://www.debian.org/security/2013/dsa-2784 | vendor-advisoryx_refsource_DEBIAN |
| http://www.ubuntu.com/usn/USN-1990-1 | vendor-advisoryx_refsource_UBUNTU |
| http://www.securityfocus.com/bid/62892 | vdb-entryx_refsource_BID |
| http://openwall.com/lists/oss-security/2013/10/08/6 | mailing-listx_refsource_MLIST |
| https://bugzilla.redhat.com/show_bug.cgi?id=1014561 | x_refsource_CONFIRM |
| http://lists.x.org/archives/xorg-announce/2013-Oc… | mailing-listx_refsource_MLIST |
Date Public
2013-10-08 00:00
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{
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{
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{
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{
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{
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{
"criteria": "cpe:2.3:a:x:x.org_x11:7.1:*:*:*:*:*:*:*",
"matchCriteriaId": "0B93FCD1-0E9D-4BD9-A939-A1D13A06FDB4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.2:*:*:*:*:*:*:*",
"matchCriteriaId": "C01EC0B7-8B16-46D1-BC45-126BC56F7337",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.3:*:*:*:*:*:*:*",
"matchCriteriaId": "F03B0C6D-1709-4EDA-8EC9-5ACA30BF4806",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.4:*:*:*:*:*:*:*",
"matchCriteriaId": "A1ED2589-35D2-4F61-8E08-808E36F6D64C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.5:*:*:*:*:*:*:*",
"matchCriteriaId": "3D39DF9B-2EE4-446E-956C-46D090D93DE3",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.5:rc1:*:*:*:*:*:*",
"matchCriteriaId": "7659F139-6C75-4BAE-91B5-BE9C69B0606B",
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},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.6:*:*:*:*:*:*:*",
"matchCriteriaId": "2F862B02-1BA8-4664-9A76-134D89DCA2E5",
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},
{
"criteria": "cpe:2.3:a:x:x.org_x11:7.6:rc1:*:*:*:*:*:*",
"matchCriteriaId": "685174BE-2C3F-4F64-93E7-74F9FF402D63",
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{
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],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure."
},
{
"lang": "es",
"value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n en la funci\u00f3n dolmageText en dix/dixfonts.c del m\u00f3dulo xorg-server anterior a la versi\u00f3n 1.14.4 en X.Org X11 permite a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (cuelgue del demonio) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de una petici\u00f3n ImageText manipulada que provoque un fallo de reubicaci\u00f3n de memoria."
}
],
"evaluatorComment": "Per: https://bugzilla.redhat.com/show_bug.cgi?id=1014561\n\n\"\u0027 A malicious, authorized client could use this flaw to crash the X.Org server or, potentially, execute arbitrary code with root privileges.\u0027",
"id": "CVE-2013-4396",
"lastModified": "2026-04-29T01:13:23.040",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2013-10-10T10:55:06.473",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "http://lists.x.org/archives/xorg-announce/2013-October/002332.html"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2013/10/08/6"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2013-1426.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2013/dsa-2784"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/62892"
},
{
"source": "secalert@redhat.com",
"url": "http://www.ubuntu.com/usn/USN-1990-1"
},
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1014561"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2013-10/msg00056.html"
},
{
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"url": "http://lists.opensuse.org/opensuse-updates/2013-10/msg00060.html"
},
{
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"tags": [
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],
"url": "http://lists.x.org/archives/xorg-announce/2013-October/002332.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://openwall.com/lists/oss-security/2013/10/08/6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://rhn.redhat.com/errata/RHSA-2013-1426.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2013/dsa-2784"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/62892"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-1990-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1014561"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2025-11-21T12:38:46+00:00",
"cve": "CVE-2013-4396",
"id": "CVE-2013-4396",
"initial_release_date": "2013-10-08T00:00:00+00:00",
"product_status:fixed": "352",
"product_status:known_not_affected": "10",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "xorg-x11-server: use-after-free flaw when handling ImageText requests",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-4396.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-05T01:29:00Z",
"cve": "CVE-2013-4396",
"id": "CVE-2013-4396",
"initial_release_date": "2023-02-15T05:36:04Z",
"product_status:recommended": "130",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2013-4396",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-4396.json",
"version": "16"
}
}
}
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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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