Out-of-bounds Read in Apple iOS
CVE-2019-8547
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. A remote attacker may be able to leak memory.
Vulnerability class: Buffer Overflow
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: 0.023 (83.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X
- Apple watchOS
Weakness classification (CWE)
References
- support.apple.com/en-us/HT209600 (Vendor Advisory)
- support.apple.com/en-us/HT209599 (Vendor Advisory)
- support.apple.com/en-us/HT209602 (Vendor Advisory)
- support.apple.com/en-us/HT210119 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8547?
- CVE-2019-8547 is a critical-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2020-10-27.
- How severe is CVE-2019-8547?
- Critical severity. CVSS v3 base score is 9.8 out of 10.