CVE-2018-4441
A memory corruption issue was addressed with improved memory handling.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 12.71% probability · 96th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 2 January 2019
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- apple/safari · apple/iphone os · apple/tvos · apple/watchos · apple/icloud · apple/itunes
- Source
- product-security@apple.com
EPSS moved from 11.3% on 21 September 2026 to 12.7% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://support.apple.com/kb/HT209340Vendor Advisory
- https://support.apple.com/kb/HT209342Vendor Advisory
- https://support.apple.com/kb/HT209343Vendor Advisory
- https://support.apple.com/kb/HT209344Vendor Advisory
- https://support.apple.com/kb/HT209345Vendor Advisory
- https://support.apple.com/kb/HT209346Vendor Advisory
- https://support.apple.com/kb/HT209340Vendor Advisory
- https://support.apple.com/kb/HT209342Vendor Advisory
- https://support.apple.com/kb/HT209343Vendor Advisory
- https://support.apple.com/kb/HT209344Vendor Advisory
- https://support.apple.com/kb/HT209345Vendor Advisory
- https://support.apple.com/kb/HT209346Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.