CVE-2018-4197
A use after free issue was addressed with improved memory management.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 9.3%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- 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
- 9.35% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 25 September 2018
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- apple/safari · apple/iphone os · apple/tvos · apple/icloud · apple/itunes
- Source
- product-security@apple.com
EPSS 9.3% 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/HT209106Vendor Advisory
- https://support.apple.com/kb/HT209107Vendor Advisory
- https://support.apple.com/kb/HT209109Vendor Advisory
- https://support.apple.com/kb/HT209140Vendor Advisory
- https://support.apple.com/kb/HT209141Vendor Advisory
- https://support.apple.com/kb/HT209106Vendor Advisory
- https://support.apple.com/kb/HT209107Vendor Advisory
- https://support.apple.com/kb/HT209109Vendor Advisory
- https://support.apple.com/kb/HT209140Vendor Advisory
- https://support.apple.com/kb/HT209141Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.