usn-4837-1
Vulnerability from osv_ubuntu
Published
2021-03-15 22:19
Modified
2026-04-27 14:11
Summary
libsass vulnerabilities
Details
It was discovered that LibSass incorrectly handled certain specially crafted sass file. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-11499",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-11693",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-11695",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-11696",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-11697",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-11698",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-19797",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-19827",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-19839",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-20190",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-6283",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-6284",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2019-6286",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libsass0",
"binary_version": "3.4.8-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "libsass",
"purl": "pkg:deb/ubuntu/libsass@3.4.8-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.8-1ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.4.3-1",
"3.4.6-1",
"3.4.8-1"
]
}
],
"aliases": [],
"details": "It was discovered that LibSass incorrectly handled certain specially crafted\nsass file. An attacker could possibly use this issue to cause a denial of\nservice or other unspecified impact.",
"id": "USN-4837-1",
"modified": "2026-04-27T14:11:26Z",
"published": "2021-03-15T22:19:52Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4837-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11499"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11693"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11695"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11696"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11697"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11698"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-19797"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-19827"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-19839"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-20190"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-6283"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-6284"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-6286"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libsass vulnerabilities",
"upstream": [
"UBUNTU-CVE-2018-11499",
"UBUNTU-CVE-2018-11693",
"UBUNTU-CVE-2018-11695",
"UBUNTU-CVE-2018-11696",
"UBUNTU-CVE-2018-11697",
"UBUNTU-CVE-2018-11698",
"UBUNTU-CVE-2018-19797",
"UBUNTU-CVE-2018-19827",
"UBUNTU-CVE-2018-19839",
"UBUNTU-CVE-2018-20190",
"UBUNTU-CVE-2019-6283",
"UBUNTU-CVE-2019-6284",
"UBUNTU-CVE-2019-6286"
]
}
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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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