HighFix available
webkit2gtk — security advisory
Multiple memory corruption issues were 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-2018-4264
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:13 UTC · Revision 1
Source evidence
Multiple memory corruption issues were 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-2018-4264
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": "36d81e09387996b8ac5cf0c0d3cceb80014dfba73911ab5d491001b0e310baaf",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-4264",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-4264",
"summary": "Multiple memory corruption issues were 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-2018-4264",
"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-2018-4264",
"aliases": [
"DEBIAN-CVE-2018-4264"
],
"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-2018-4264.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-2018-4264.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-2018-4264.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-23T18:03:06.492842182Z",
"provider": "osv",
"upstream": [
"CVE-2018-4264"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-4264"
]
},
"related_cves": [
{
"value": "CVE-2018-4264",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420444,
"published_at": "2019-04-03T18:29:03.737+00:00"
}