CVE-2018-4442
A memory corruption issue was addressed with improved memory handling.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 5.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
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
- 5.83% probability · 93th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 16 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 5.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
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.