CVE-2026-43671: SwiftNIO: Out-of-bounds write via ByteBuffer index and length UInt32 overflow

Ghostwire Analysis — What This Means Practically

• High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
• Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.