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

EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.