Buffer overflow in Apple iOS
CVE-2019-8744
A memory corruption issue existed in the handling of IPv6 packets. This issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iOS 13. A malicious application may be able to determine kernel memory layout.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · 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)
References
- support.apple.com/en-us/HT210634 (Vendor Advisory)
- support.apple.com/en-us/HT210722 (Vendor Advisory)
- support.apple.com/en-us/HT210604 (Vendor Advisory)
- support.apple.com/en-us/HT210606 (Vendor Advisory)
- support.apple.com/en-us/HT210607 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8744?
- CVE-2019-8744 is a medium-severity vulnerability in Apple iOS, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2020-10-27.
- How severe is CVE-2019-8744?
- Medium severity. CVSS v3 base score is 5.5 out of 10.