What is CVE-2019-8743?

CVE-2019-8743 is a high-severity vulnerability in Apple watchOS, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-12-18.

How severe is CVE-2019-8743?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Apple watchOS

CVE-2019-8743

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 6.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Watchos — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)
product-security@apple.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2019-8743?: CVE-2019-8743 is a high-severity vulnerability in Apple watchOS, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-12-18.
How severe is CVE-2019-8743?: High severity. CVSS v3 base score is 8.8 out of 10.