usn-4487-1
Vulnerability from osv_ubuntu
Published
2020-09-02 13:05
Modified
2026-04-22 07:36
Summary
libx11 vulnerabilities
Details
Todd Carson discovered that libx11 incorrectly handled certain memory operations. A local attacker could possibly use this issue to escalate privileges. (CVE-2020-14344)
Jayden Rivers discovered that libx11 incorrectly handled locales. A local attacker could possibly use this issue to escalate privileges. (CVE-2020-14363)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-14344",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-14363",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libx11-6",
"binary_version": "2:1.6.3-1ubuntu2.2"
},
{
"binary_name": "libx11-data",
"binary_version": "2:1.6.3-1ubuntu2.2"
},
{
"binary_name": "libx11-xcb1",
"binary_version": "2:1.6.3-1ubuntu2.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "libx11",
"purl": "pkg:deb/ubuntu/libx11@2:1.6.3-1ubuntu2.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.6.3-1ubuntu2.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.6.3-1ubuntu2",
"2:1.6.3-1ubuntu2.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-14344",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-14363",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libx11-6",
"binary_version": "2:1.6.4-3ubuntu0.3"
},
{
"binary_name": "libx11-data",
"binary_version": "2:1.6.4-3ubuntu0.3"
},
{
"binary_name": "libx11-xcb1",
"binary_version": "2:1.6.4-3ubuntu0.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "libx11",
"purl": "pkg:deb/ubuntu/libx11@2:1.6.4-3ubuntu0.3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.6.4-3ubuntu0.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.6.4-3",
"2:1.6.4-3ubuntu0.1",
"2:1.6.4-3ubuntu0.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-14344",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-14363",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libx11-6",
"binary_version": "2:1.6.9-2ubuntu1.1"
},
{
"binary_name": "libx11-data",
"binary_version": "2:1.6.9-2ubuntu1.1"
},
{
"binary_name": "libx11-xcb1",
"binary_version": "2:1.6.9-2ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libx11",
"purl": "pkg:deb/ubuntu/libx11@2:1.6.9-2ubuntu1.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:1.6.9-2ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:1.6.8-1",
"2:1.6.9-2",
"2:1.6.9-2ubuntu1"
]
}
],
"aliases": [],
"details": "Todd Carson discovered that libx11 incorrectly handled certain memory\noperations. A local attacker could possibly use this issue to escalate\nprivileges. (CVE-2020-14344)\n\nJayden Rivers discovered that libx11 incorrectly handled locales. A local\nattacker could possibly use this issue to escalate privileges.\n(CVE-2020-14363)\n",
"id": "USN-4487-1",
"modified": "2026-04-22T07:36:39Z",
"published": "2020-09-02T13:05:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4487-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-14344"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-14363"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libx11 vulnerabilities",
"upstream": [
"UBUNTU-CVE-2020-14344",
"UBUNTU-CVE-2020-14363"
]
}
Loading…
Loading…
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.
Loading…
Loading…