8.8

CVE-2018-4441: apple icloud

CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-4441DEBIAN-CVE-2018-4441
Published 03-04-2019Last modified 05-08-2024

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.

Overall risk
48/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
12.71%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2exploit-database

Advisory lineage

Upstream 0 · Downstream 6 · Related 6

Timeline

  1. 03-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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

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

18-09-202618-10-2026
EPSS score
12.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • exploit-databaselocalhardwareUnverified

    Sony Playstation 4 (PS4) < 6.20 - WebKit Code Execution (PoC)

    Maturity: poc

  • exploit-databasedosmultipleVerified

    WebKit JSC - 'JSArray::shiftCountWithArrayStorage' Out-of-Bounds Read/Write

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Apple6 products
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

References

10 links