usn-4593-1
Vulnerability from osv_ubuntu
Published
2020-10-20 12:02
Modified
2026-04-22 07:36
Summary
freetype vulnerability
Details
Sergei Glazunov discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-15999",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "freetype2-demos",
"binary_version": "2.6.1-0.1ubuntu2.5"
},
{
"binary_name": "libfreetype6",
"binary_version": "2.6.1-0.1ubuntu2.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "freetype",
"purl": "pkg:deb/ubuntu/freetype@2.6.1-0.1ubuntu2.5?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1-0.1ubuntu2.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.5.2-4ubuntu2",
"2.6.1-0.1ubuntu1",
"2.6.1-0.1ubuntu2",
"2.6.1-0.1ubuntu2.1",
"2.6.1-0.1ubuntu2.2",
"2.6.1-0.1ubuntu2.3",
"2.6.1-0.1ubuntu2.4"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-15999",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "freetype2-demos",
"binary_version": "2.8.1-2ubuntu2.1"
},
{
"binary_name": "libfreetype6",
"binary_version": "2.8.1-2ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "freetype",
"purl": "pkg:deb/ubuntu/freetype@2.8.1-2ubuntu2.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.8.1-2ubuntu2.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.8-0.2ubuntu2",
"2.8.1-0.1ubuntu2",
"2.8.1-0.1ubuntu3",
"2.8.1-2ubuntu1",
"2.8.1-2ubuntu2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-15999",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "freetype2-demos",
"binary_version": "2.10.1-2ubuntu0.1"
},
{
"binary_name": "libfreetype6",
"binary_version": "2.10.1-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "freetype",
"purl": "pkg:deb/ubuntu/freetype@2.10.1-2ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.10.1-2ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.9.1-4",
"2.10.1-2"
]
}
],
"aliases": [],
"details": "Sergei Glazunov discovered that FreeType did not correctly handle certain\nmalformed font files. If a user were tricked into using a specially crafted\nfont file, a remote attacker could cause FreeType to crash or possibly\nexecute arbitrary code with user privileges.\n",
"id": "USN-4593-1",
"modified": "2026-04-22T07:36:58Z",
"published": "2020-10-20T12:02:17Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4593-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-15999"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "freetype vulnerability",
"upstream": [
"UBUNTU-CVE-2020-15999"
]
}
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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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