CVE-2019-15134

HIGH

RIOT < 2019.07 - Memory Leak in TCP Implementation via ACK Before SYN

Title source: llm

Description

RIOT through 2019.07 contains a memory leak in the TCP implementation (gnrc_tcp), allowing an attacker to consume all memory available for network packets and thus effectively stopping all network threads from working. This is related to _receive in sys/net/gnrc/transport_layer/tcp/gnrc_tcp_eventloop.c upon receiving an ACK before a SYN.

References (1)

Core 1

Core References

Exploit, Patch, Third Party Advisory x_refsource_misc

https://github.com/RIOT-OS/RIOT/pull/12001

Scores

CVSS v3 7.5

EPSS 0.0151

EPSS Percentile 71.2%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-401

Status published

Products (1)

riot-os/riot < 2019.07

Published Aug 17, 2019

Tracked Since Feb 18, 2026