Use After Free in Apple iOS
CVE-2019-8662
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary.
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: 0.098 (95.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.098 · 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-2019-8662?
- CVE-2019-8662 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-2019-8662?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-8662 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.