CVE-2024-38373

FreeRTOS-Plus-TCP is a lightweight TCP/IP stack for FreeRTOS. FreeRTOS-Plus-TCP versions 4.0.0 through 4.1.0 contain a buffer over-read issue in the DNS Response Parser when parsing domain names in a DNS response. A carefully crafted DNS response with domain name length value greater than the actual domain name length, could cause the parser to read beyond the DNS response buffer. This issue affects applications using DNS functionality of the FreeRTOS-Plus-TCP stack. Applications that do not use DNS functionality are not affected, even when the DNS functionality is enabled. This vulnerability has been patched in version 4.1.1.

• CWE-126
• CWE-125

• https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.1.1Release Notes
• https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-ppcp-rg65-58mvVendor Advisory
• https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.1.1Release Notes
• https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-ppcp-rg65-58mvVendor Advisory

Published

Jun 24, 2024

Last Modified

Jun 17, 2026

Status

Modified

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