CVE-2023-38562

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-415

Affected software

Vendor	Product	Versions
Weston Embedded	uC-TCP-IP	v3.06.01
weston-embedded	uc-tcp-ip	3.06.01

References

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829

Timeline

Published: Feb 20, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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