HighFix available
webkit2gtk — security advisory
A type confusion issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.
- Products
- webkit2gtk
- Affected versions
- Not specified
- Fixed versions
- 2.20.4-1
- CVEs
- CVE-2018-4284
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:13 UTC · Revision 1
Source evidence
A type confusion issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.
osv:DEBIAN-CVE-2018-4284
webkit2gtk
Fixed versions: 2.20.4-1
webkit2gtk
Fixed versions: 2.20.4-1
webkit2gtk
Fixed versions: 2.20.4-1
Complete source record
{
"id": "808dba1300fe1c0ed8ff642a1e3aa671e3f753f66224efd93e0f7ce3a33a9970",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-4284",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-4284",
"summary": "A type confusion issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.",
"evidence": "osv:DEBIAN-CVE-2018-4284",
"products": [
{
"name": {
"value": "webkit2gtk",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.20.4-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "webkit2gtk",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.20.4-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "webkit2gtk",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.20.4-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2018-4284",
"aliases": [
"DEBIAN-CVE-2018-4284"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.4-1"
}
]
}
],
"package": {
"name": "webkit2gtk",
"purl": "pkg:deb/debian/webkit2gtk?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-4284.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.4-1"
}
]
}
],
"package": {
"name": "webkit2gtk",
"purl": "pkg:deb/debian/webkit2gtk?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-4284.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.4-1"
}
]
}
],
"package": {
"name": "webkit2gtk",
"purl": "pkg:deb/debian/webkit2gtk?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-4284.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:03:06.176109228Z",
"provider": "osv",
"upstream": [
"CVE-2018-4284"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-4284"
]
},
"related_cves": [
{
"value": "CVE-2018-4284",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420417,
"published_at": "2019-04-03T18:29:05.267+00:00"
}