usn-2568-1
Vulnerability from osv_ubuntu
Published
2015-04-13 17:26
Modified
2026-04-22 07:36
Summary
libx11, libxrender vulnerability
Details
Abhishek Arya discovered that libX11 incorrectly handled memory in the MakeBigReq macro. A remote attacker could use this issue to cause applications to crash, resulting in a denial of service, or possibly execute arbitrary code.
In addition, following the macro fix in libx11, a number of other packages have also been rebuilt as security updates including libxrender, libxext, libxi, libxfixes, libxrandr, libsdl1.2, libxv, libxp, and xserver-xorg-video-vmware.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2013-7439",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libxrender1",
"binary_version": "1:0.9.8-1build0.14.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "libxrender",
"purl": "pkg:deb/ubuntu/libxrender@1:0.9.8-1build0.14.04.1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:0.9.8-1build0.14.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.9.8-1"
]
}
],
"aliases": [],
"details": "Abhishek Arya discovered that libX11 incorrectly handled memory in the\nMakeBigReq macro. A remote attacker could use this issue to cause\napplications to crash, resulting in a denial of service, or possibly\nexecute arbitrary code.\n\nIn addition, following the macro fix in libx11, a number of other packages\nhave also been rebuilt as security updates including libxrender, libxext,\nlibxi, libxfixes, libxrandr, libsdl1.2, libxv, libxp, and\nxserver-xorg-video-vmware.\n",
"id": "USN-2568-1",
"modified": "2026-04-22T07:36:32Z",
"published": "2015-04-13T17:26:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-2568-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2013-7439"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libx11, libxrender vulnerability",
"upstream": [
"UBUNTU-CVE-2013-7439"
]
}
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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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