CVE-2018-4441: apple icloud
Vulnerability summary
CVE-2018-4441 is a high (CVSS 8.8) vulnerability in apple icloud. EPSS estimates a 12.71% chance of exploitation in the next 30 days, higher than 96.2% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 03-04-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
12.71%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 12.71% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundSony Playstation 4 (PS4) < 6.20 - WebKit Code Execution (PoC)
Maturity: poc
WebKit JSC - 'JSArray::shiftCountWithArrayStorage' Out-of-Bounds Read/Write
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.22.4-0ubuntu0.18.04.1
- webkitgtkAll versions (No fix recorded)
Debian1 product
- webkit2gtk< 2.22.3-1
3 vendors · 11 products