VulnerabilityModified
CVE-2018-4407
A memory corruption issue was addressed with improved validation.
HIGH 8.8EPSS 21.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 21.22% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- apple/iphone os · apple/mac os x · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS moved from 17.1% on 21 September 2026 to 21.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://packetstormsecurity.com/files/172832/iOS-11.4.1-macOS-10.13.6-icmp_error-Heap-Buffer-Overflow.html
- https://support.apple.com/kb/HT209106Vendor Advisory
- https://support.apple.com/kb/HT209107Vendor Advisory
- https://support.apple.com/kb/HT209108Vendor Advisory
- https://support.apple.com/kb/HT209139Vendor Advisory
- https://support.apple.com/kb/HT209193Vendor Advisory
- http://packetstormsecurity.com/files/172832/iOS-11.4.1-macOS-10.13.6-icmp_error-Heap-Buffer-Overflow.html
- https://support.apple.com/kb/HT209106Vendor Advisory
- https://support.apple.com/kb/HT209107Vendor Advisory
- https://support.apple.com/kb/HT209108Vendor Advisory
- https://support.apple.com/kb/HT209139Vendor Advisory
- https://support.apple.com/kb/HT209193Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.