Out-of-bounds Read in Apple iOS
CVE-2019-6221
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, iTunes 12.9.3 for Windows. A malicious application may be able to elevate privileges.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple Itunes
- Apple Itunes For Windows — versions unspecified
- Apple macOS — versions unspecified
- Apple Mac OS X
- Microsoft Windows
Weakness classification (CWE)
References
- support.apple.com/HT209446 (Vendor Advisory)
- support.apple.com/HT209443 (Vendor Advisory)
- support.apple.com/HT209450 (Vendor Advisory)
- www.securityfocus.com/bid/106694 (Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2019-6221?
- CVE-2019-6221 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-03-05.
- How severe is CVE-2019-6221?
- High severity. CVSS v3 base score is 7.8 out of 10.