Out-of-bounds Read in Apple iOS
CVE-2019-8646
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to leak memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.110 (95.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.110 · newest: 0.110 · 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/HT210353 (Vendor Advisory)
- support.apple.com/HT210346 (Vendor Advisory)
- support.apple.com/HT210348 (Vendor Advisory)
- support.apple.com/HT210351 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8646?
- CVE-2019-8646 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-12-18.
- How severe is CVE-2019-8646?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-8646 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.