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6.5
LINE iOS app: Repeated OS dialogs can crash your iPhone
CVE-2026-3861
Summary
The LINE app for iOS has a security issue that can cause your iPhone to freeze or become unresponsive if you visit a malicious website. This only affects older versions of the app, and updating to the latest version will fix the issue. If you haven't already, update the LINE app to the latest version to stay safe.
Original title
LINE client for iOS versions prior to 26.3.0 contains a vulnerability in the in-app browser where opening a crafted web page can repeatedly trigger OS-level dialogs, potentially causing the iOS dev...
Original description
LINE client for iOS versions prior to 26.3.0 contains a vulnerability in the in-app browser where opening a crafted web page can repeatedly trigger OS-level dialogs, potentially causing the iOS device to become temporarily inoperable.
nvd CVSS3.1
6.5
Vulnerability type
CWE-451
Published: 16 Apr 2026 · Updated: 17 Apr 2026 · First seen: 16 Apr 2026