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Threats & Vulnerabilities

on February 18, 2026 at 9:37 am — CVE-2021-20255 A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host resulting in a denial of service. The highest threat from this vulnerability is to system availability.