CVE-2026-102552Improper verification of the source of a communication channel in FreeRTOS-Plus-TCP DNS resolver

Descripción

Improper verification of the source of a communication channel in the DNS resolver in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow remote third-party to insert a chosen address into the device's DNS cache via a forged DNS reply. To remediate this issue, users should upgrade to version V4.4.2 and enable ipconfigDNS_CHECK_REPLY_SOURCE_IP.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.4.2 release-notespatch
• https://aws.amazon.com/security/security-bulletins/2026-139-aws/ vendor-advisory
• https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-h4fw-pv82-p7h5 third-party-advisory