VulnerabilityModified
CVE-2018-4409
A resource exhaustion issue was addressed with improved input validation.
MEDIUM 6.5EPSS 1.64%
Does this matter?
Lower severity and a low EPSS score (1.64%). Track it; it rarely justifies an emergency change on its own.
Description
A resource exhaustion issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.64% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- apple/safari · apple/iphone os · apple/tvos · apple/icloud · apple/itunes
- Source
- product-security@apple.com
EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.apple.com/kb/HT209192Vendor Advisory
- https://support.apple.com/kb/HT209194Vendor Advisory
- https://support.apple.com/kb/HT209196Vendor Advisory
- https://support.apple.com/kb/HT209197Vendor Advisory
- https://support.apple.com/kb/HT209198Vendor Advisory
- https://support.apple.com/kb/HT209192Vendor Advisory
- https://support.apple.com/kb/HT209194Vendor Advisory
- https://support.apple.com/kb/HT209196Vendor Advisory
- https://support.apple.com/kb/HT209197Vendor Advisory
- https://support.apple.com/kb/HT209198Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.