Report: CVE-2026-7426 - Out-of-Bounds Write via Unsanitized Prefix Length in Router Advertisement Process
CVE ID :CVE-2026-7426 Published : April 29, 2026, 8:16 p.m. | 48 minutes ago Description :Insufficient validation of the prefix length field in IPv6 Router Advertisement processing in FreeRTOS-Plus-TCP before V4.2.6 and V4.4.1 allows an adjacent network actor to cause memory corruption by sending a crafted Router Advertisement with a prefix length value exceeding the maximum valid length, resulting in a heap buffer overflow. Users processing IPv4 RA only are not impacted. To mitigate this issue, users should upgrade to the fixed version when available. Severity: 8.1 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...