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
EPSS: 0.023 (82.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Apple Ios — versions unspecified
- Apple Iphone_os
- Apple Macos — versions unspecified
- Apple Mac_os_x
- Apple Watchos
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, 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.