High severity8.8NVD Advisory· Published Apr 3, 2019· Updated Jun 17, 2026

CVE-2018-4284

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./iCloud
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
Range: <7.6
Apple Inc./iTunes
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
Range: <12.8
Apple Inc./Safari
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
Range: <11.1.2
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <11.4.1
Apple Inc./tvOS2 versions
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <11.4.1
- (no CPE)range: <11.4.1
Apple Inc./watchOS2 versions
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <4.3.2
- (no CPE)range: <4.3.2
Apple Inc./iOSllm-fuzzy
Range: <11.4.1
osv-coords18 versions
pkg:rpm/opensuse/gtk3&distro=openSUSE%20Tumbleweed pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Enterprise%20Storage%204 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP4 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20OpenStack%20Cloud%207
< 2.32.4-1.1+ 17 more
- (no CPE)range: < 2.32.4-1.1
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.20.5-3.8.1
- (no CPE)range: < 2.20.5-3.8.1
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3
- (no CPE)range: < 2.22.4-2.29.3

Patches

Vulnerability mechanics

References

support.apple.com/kb/HT208932nvdVendor Advisory
support.apple.com/kb/HT208933nvdVendor Advisory
support.apple.com/kb/HT208934nvdVendor Advisory
support.apple.com/kb/HT208935nvdVendor Advisory
support.apple.com/kb/HT208936nvdVendor Advisory
support.apple.com/kb/HT208938nvdVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000