Out-of-bounds Read in Apple Iphone OS
CVE-2018-4203
An out-of-bounds read was addressed with improved bounds checking. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (74.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Apple Iphone OS
- Apple Mac OS X
- Apple tvOS
- Apple watchOS
- iOS, macOS, tvOS, watchOS — versions Versions prior to: iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5
Weakness classification (CWE)
References
- support.apple.com/kb/HT209107 (Vendor Advisory)
- support.apple.com/kb/HT209193 (Vendor Advisory)
- support.apple.com/kb/HT209106 (Vendor Advisory)
- support.apple.com/kb/HT209139 (Vendor Advisory)
- support.apple.com/kb/HT209108 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4203?
- CVE-2018-4203 is a high-severity vulnerability in Apple Iphone OS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-04-03.
- How severe is CVE-2018-4203?
- High severity. CVSS v3 base score is 7.5 out of 10.