Out-of-bounds Read in Apple iOS
CVE-2019-6231
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, tvOS 12.1.2, watchOS 5.1.3. A malicious application may be able to read restricted memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (72.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% 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 iOS — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple tvOS — versions unspecified
- Apple watchOS — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/HT209446 (Vendor Advisory)
- support.apple.com/HT209443 (Vendor Advisory)
- support.apple.com/HT209448 (Vendor Advisory)
- www.securityfocus.com/bid/106739 (VDB Entry, Third Party Advisory, vdb-entry)
- support.apple.com/HT209447 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-6231?
- CVE-2019-6231 is a medium-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2019-03-05.
- How severe is CVE-2019-6231?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-6231 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.