ubuntu-cve-2020-27918
Vulnerability from osv_ubuntu
Published
2021-03-26 00:00
Modified
2026-04-22 07:39
Summary
Details
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
Severity
7.8 (High)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libqt5webkit5",
"binary_version": "5.5.1+dfsg-2ubuntu1"
},
{
"binary_name": "libqt5webkit5-qmlwebkitplugin",
"binary_version": "5.5.1+dfsg-2ubuntu1"
},
{
"binary_name": "qml-module-qtwebkit",
"binary_version": "5.5.1+dfsg-2ubuntu1"
},
{
"binary_name": "qtwebkit5-doc-html",
"binary_version": "5.5.1+dfsg-2ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "qtwebkit-opensource-src",
"purl": "pkg:deb/ubuntu/qtwebkit-opensource-src@5.5.1+dfsg-2ubuntu1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.4.2+dfsg-1ubuntu2.1",
"5.5.1+dfsg-2ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gir1.2-javascriptcoregtk-4.0",
"binary_version": "2.20.5-0ubuntu0.16.04.1"
},
{
"binary_name": "gir1.2-webkit2-4.0",
"binary_version": "2.20.5-0ubuntu0.16.04.1"
},
{
"binary_name": "libjavascriptcoregtk-4.0-18",
"binary_version": "2.20.5-0ubuntu0.16.04.1"
},
{
"binary_name": "libjavascriptcoregtk-4.0-bin",
"binary_version": "2.20.5-0ubuntu0.16.04.1"
},
{
"binary_name": "libwebkit2gtk-4.0-37",
"binary_version": "2.20.5-0ubuntu0.16.04.1"
},
{
"binary_name": "libwebkit2gtk-4.0-37-gtk2",
"binary_version": "2.20.5-0ubuntu0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "webkit2gtk",
"purl": "pkg:deb/ubuntu/webkit2gtk@2.20.5-0ubuntu0.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.8.5+dfsg1-3",
"2.10.3+dfsg1-1",
"2.10.4+dfsg1-1",
"2.10.5-1",
"2.10.6-1",
"2.10.6-1ubuntu1",
"2.10.8-1ubuntu1",
"2.10.9-1ubuntu1",
"2.12.5-0ubuntu0.16.04.1",
"2.14.2-0ubuntu0.16.04.1",
"2.14.3-0ubuntu0.16.04.1",
"2.14.5-0ubuntu0.16.04.1",
"2.16.1-0ubuntu0.16.04.1",
"2.16.1-0ubuntu0.16.04.2",
"2.16.2-0ubuntu0.16.04.1",
"2.16.3-0ubuntu0.16.04.1",
"2.16.6-0ubuntu0.16.04.1",
"2.18.0-0ubuntu0.16.04.2",
"2.18.3-0ubuntu0.16.04.1",
"2.18.4-0ubuntu0.16.04.1",
"2.18.5-0ubuntu0.16.04.1",
"2.18.6-0ubuntu0.16.04.1",
"2.20.1-0ubuntu0.16.04.1",
"2.20.2-0ubuntu0.16.04.1",
"2.20.3-0ubuntu0.16.04.1",
"2.20.5-0ubuntu0.16.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libqtwebkit-qmlwebkitplugin",
"binary_version": "2.3.2-0ubuntu11"
},
{
"binary_name": "libqtwebkit4",
"binary_version": "2.3.2-0ubuntu11"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "qtwebkit-source",
"purl": "pkg:deb/ubuntu/qtwebkit-source@2.3.2-0ubuntu11?arch=source\u0026distro=xenial"
},
"ranges": [
{
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{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"2.3.2-0ubuntu11"
]
},
{
"ecosystem_specific": {
"binaries": [
{
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},
{
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},
{
"binary_name": "gir1.2-webkit2-3.0",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libjavascriptcoregtk-1.0-0",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libjavascriptcoregtk-3.0-0",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libjavascriptcoregtk-3.0-bin",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libwebkit2gtk-3.0-25",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libwebkitgtk-1.0-0",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libwebkitgtk-1.0-common",
"binary_version": "2.4.11-0ubuntu0.1"
},
{
"binary_name": "libwebkitgtk-3.0-0",
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},
{
"binary_name": "libwebkitgtk-3.0-common",
"binary_version": "2.4.11-0ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "webkitgtk",
"purl": "pkg:deb/ubuntu/webkitgtk@2.4.11-0ubuntu0.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
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}
],
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}
],
"versions": [
"2.4.9-2ubuntu2",
"2.4.10-0ubuntu1",
"2.4.11-0ubuntu0.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-javascriptcoregtk-4.0",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
},
{
"binary_name": "gir1.2-webkit2-4.0",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
},
{
"binary_name": "libjavascriptcoregtk-4.0-18",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
},
{
"binary_name": "libjavascriptcoregtk-4.0-bin",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
},
{
"binary_name": "libwebkit2gtk-4.0-37",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
},
{
"binary_name": "libwebkit2gtk-4.0-37-gtk2",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
},
{
"binary_name": "webkit2gtk-driver",
"binary_version": "2.30.6-0ubuntu0.18.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "webkit2gtk",
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},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.30.6-0ubuntu0.18.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.18.0-2",
"2.18.0-2build1",
"2.18.2-1",
"2.18.3-1",
"2.18.4-1",
"2.18.6-1",
"2.19.91-1ubuntu1",
"2.19.92-1",
"2.20.0-1",
"2.20.0-2",
"2.20.0-2ubuntu1",
"2.20.1-1",
"2.20.2-0ubuntu0.18.04.1",
"2.20.3-0ubuntu0.18.04.1",
"2.20.5-0ubuntu0.18.04.1",
"2.22.2-0ubuntu0.18.04.1",
"2.22.2-0ubuntu0.18.04.2",
"2.22.4-0ubuntu0.18.04.1",
"2.22.5-0ubuntu0.18.04.1",
"2.22.6-0ubuntu0.18.04.1",
"2.24.1-0ubuntu0.18.04.1",
"2.24.2-0ubuntu0.18.04.1",
"2.24.4-0ubuntu0.18.04.1",
"2.26.1-0ubuntu0.18.04.1",
"2.26.2-0ubuntu0.18.04.1",
"2.26.3-0ubuntu0.18.04.1",
"2.26.4-0ubuntu0.18.04.1",
"2.28.0-0ubuntu0.18.04.3",
"2.28.1-0ubuntu0.18.04.1",
"2.28.2-0ubuntu0.18.04.1",
"2.28.3-0ubuntu0.18.04.1",
"2.28.4-0ubuntu0.18.04.1",
"2.30.3-0ubuntu0.18.04.1",
"2.30.5-0ubuntu0.18.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libqt5webkit5",
"binary_version": "5.212.0~alpha2-7ubuntu1"
},
{
"binary_name": "qml-module-qtwebkit",
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},
{
"binary_name": "qtwebkit5-doc-html",
"binary_version": "5.212.0~alpha2-7ubuntu1"
}
]
},
"package": {
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"name": "qtwebkit-opensource-src",
"purl": "pkg:deb/ubuntu/qtwebkit-opensource-src@5.212.0~alpha2-7ubuntu1?arch=source\u0026distro=bionic"
},
"ranges": [
{
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{
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}
],
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}
],
"versions": [
"5.9.1+dfsg-5ubuntu1",
"5.9.1+dfsg-5ubuntu3",
"5.212.0~alpha2-5build2",
"5.212.0~alpha2-5build4",
"5.212.0~alpha2-7",
"5.212.0~alpha2-7build2",
"5.212.0~alpha2-7ubuntu1"
]
},
{
"ecosystem_specific": {
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{
"binary_name": "libqtwebkit-qmlwebkitplugin",
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},
{
"binary_name": "libqtwebkit4",
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}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "qtwebkit-source",
"purl": "pkg:deb/ubuntu/qtwebkit-source@2.3.2-0ubuntu13?arch=source\u0026distro=bionic"
},
"ranges": [
{
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]
},
{
"ecosystem_specific": {
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{
"binary_name": "gir1.2-javascriptcoregtk-3.0",
"binary_version": "2.4.11-3ubuntu3"
},
{
"binary_name": "gir1.2-webkit-3.0",
"binary_version": "2.4.11-3ubuntu3"
},
{
"binary_name": "libjavascriptcoregtk-1.0-0",
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{
"binary_name": "libjavascriptcoregtk-3.0-0",
"binary_version": "2.4.11-3ubuntu3"
},
{
"binary_name": "libjavascriptcoregtk-3.0-bin",
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},
{
"binary_name": "libwebkitgtk-1.0-0",
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"package": {
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{
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],
"versions": [
"2.4.11-3",
"2.4.11-3ubuntu2",
"2.4.11-3ubuntu3"
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},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "gir1.2-javascriptcoregtk-4.0",
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},
{
"binary_name": "gir1.2-webkit2-4.0",
"binary_version": "2.30.6-0ubuntu0.20.04.1"
},
{
"binary_name": "libjavascriptcoregtk-4.0-18",
"binary_version": "2.30.6-0ubuntu0.20.04.1"
},
{
"binary_name": "libjavascriptcoregtk-4.0-bin",
"binary_version": "2.30.6-0ubuntu0.20.04.1"
},
{
"binary_name": "libwebkit2gtk-4.0-37",
"binary_version": "2.30.6-0ubuntu0.20.04.1"
},
{
"binary_name": "libwebkit2gtk-4.0-37-gtk2",
"binary_version": "2.30.6-0ubuntu0.20.04.1"
},
{
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"binary_version": "2.30.6-0ubuntu0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "webkit2gtk",
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},
"ranges": [
{
"events": [
{
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"versions": [
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"2.26.2-1",
"2.26.3-1ubuntu2",
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"2.28.0-1ubuntu2",
"2.28.1-1",
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]
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{
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{
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{
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"binary_version": "5.212.0~alpha4-1ubuntu2.1"
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]
},
"package": {
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"5.212.0~alpha4-1",
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{
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"package": {
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},
{
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{
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{
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},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "qtwebkit-opensource-src",
"purl": "pkg:deb/ubuntu/qtwebkit-opensource-src@5.212.0~alpha4-36?arch=source\u0026distro=noble"
},
"ranges": [
{
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"type": "ECOSYSTEM"
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],
"versions": [
"5.212.0~alpha4-33",
"5.212.0~alpha4-33build1",
"5.212.0~alpha4-34",
"5.212.0~alpha4-34ubuntu3",
"5.212.0~alpha4-34ubuntu4",
"5.212.0~alpha4-36"
]
}
],
"aliases": [],
"details": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.",
"id": "UBUNTU-CVE-2020-27918",
"modified": "2026-04-22T07:39:37Z",
"published": "2021-03-26T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-27918"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4894-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-27918"
}
],
"related": [
"USN-4894-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2020-27918"
]
}
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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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