CVE-2019-8764

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-12-18 · updated 2026-06-17
Weakness: CWE-79

Description

A logic issue was addressed with improved state management. This issue is fixed in watchOS 6.1. Processing maliciously crafted web content may lead to universal cross site scripting.

Affected products

Apple watchOS: before 6.1 — fixed in 6.1
Webkitgtk+: before 2.26.4 — fixed in 2.26.4

How to fix

Upgrade to a fixed version: Apple watchOS 6.1; Webkitgtk+ 2.26.4. Check the vendor advisory for mitigations.

References

https://security.gentoo.org/glsa/202003-22
https://support.apple.com/HT210724
https://security.gentoo.org/glsa/202003-22
https://support.apple.com/HT210724

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