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CVE-2025-5688

Out of Bounds Write in FreeRTOS-Plus-TCP

CVSS 7.5 HIGHEPSS 0.3%CWE-787
We have identified a buffer overflow issue allowing out-of-bounds write when processing LLMNR or mDNS queries with very long DNS names. This issue only affects systems using Buffer Allocation Scheme 1 with LLMNR or mDNS enabled. Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Productos afectados
Amazon · FreeRTOS

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Referencias
https://aws.amazon.com/security/security-bulletins/AWS-2025-012/https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.2https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-5x4f-fvv8-wr65