{"rewrite":{"id":"r_79af4eeebfd6719f41737333","clusterId":"c_12266e6f80469dd230b1a0d1","slug":"ios-line-app-vulnerability-allows-dos-attack-via-in-app-browser","model":"deepseek-v4-flash","headline":"iOS LINE App Vulnerability Allows DoS Attack Via In-App Browser","summary":"Japan Vulnerability Notes (JVN) disclosed a vulnerability in the iOS version of LINE on July 13. The in-app browser's handling of URL schemes is insufficient, allowing an attacker to cause repeated dialogs by directing a user to a malicious webpage. This can temporarily render the device inoperable. The affected version is 26.3.0 and earlier. JVN recommends users update to the latest version provided by LINE Yahoo.","whyItMatters":"The vulnerability affects a widely used messaging app and could allow an attacker to temporarily disable an iOS device by exploiting the in-app browser's URL scheme handling, requiring users to update to mitigate the risk.","webCardHtml":"\u003cp\u003eJapan Vulnerability Notes published an advisory on July 13 for a vulnerability in the iOS LINE app\u0026#39;s in-app browser. The advisory states that the browser\u0026#39;s insufficient protection when processing arbitrary URL schemes can lead to a denial-of-service condition. An attacker who tricks a user into opening a specially crafted webpage can cause the app to display repeated dialogs, making the device temporarily unresponsive. The vulnerability affects LINE version 26.3.0 and earlier. JVN urges users to update to the latest version from LINE Yahoo.\u003c/p\u003e","blueskyPost":"JVN disclosed a DoS vulnerability in iOS LINE app (version 26.3.0 and earlier). The in-app browser's URL scheme handling can trigger repeated dialogs, temporarily disabling the device. Users are advised to update.","twitterPost":"JVN disclosed a DoS vulnerability in iOS LINE app (26.3.0 and earlier). In-app browser URL scheme handling can cause repeated dialogs, temporarily disabling the device. Update recommended.","threadsPost":null,"newsletterBlurb":"Japan Vulnerability Notes disclosed a vulnerability in the iOS LINE app that could allow a denial-of-service attack. The in-app browser's URL scheme handling is insufficient, enabling repeated dialogs when a malicious webpage is opened. The affected version is 26.3.0 and earlier, and users are advised to update.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/419/4419086/?rss\",\"title\":\"iOS版LINEのアプリ内ブラウザーに脆弱性 ダイアログ連発でデバイスが操作不能になる可能性\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5755,"outputTokens":2730,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1783925975,"createdAt":"2026-07-13T06:50:11.000Z","publishedAt":"2026-07-13T06:52:28.000Z","updatedAt":"2026-07-13T06:50:11.000Z"},"cluster":{"id":"c_12266e6f80469dd230b1a0d1","canonicalTitle":"iOS版LINEのアプリ内ブラウザーに脆弱性 ダイアログ連発でデバイスが操作不能になる可能性","representativeArticleId":"a_f313f317ce8f86f7f3cdaacb","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-13T05:45:00.000Z","lastSeenAt":"2026-07-13T05:45:00.000Z","updatedAt":"2026-07-13T06:52:29.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/419/4419086/?rss","title":"iOS版LINEのアプリ内ブラウザーに脆弱性 ダイアログ連発でデバイスが操作不能になる可能性"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}