Use After Free in Apple iOS
CVE-2019-8647
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.4, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause arbitrary code execution.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.135 (96.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.135 · newest: 0.135 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- 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/HT210351 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8647?
- CVE-2019-8647 is a critical-severity vulnerability in Apple iOS, classified under Use After Free. CVSS score: 9.8/10. Published 2019-12-18.
- How severe is CVE-2019-8647?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-8647 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.