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Critical · 9.0 CVE-2023-31247 EUVD-2023-35562GHSA-78q9-mf5f-jj96

A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specia…

Published Nov 14, 2023 · Updated Nov 4, 2025 · Assigned by talos

Description

A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability.

Affected products

VendorProductAffectedFixed
Silicon Labs Gecko Platform 4.3.1.0 —
Weston Embedded Cesium NET 3.07.01 —
Weston Embedded uC-HTTP v3.01.01 —

Advisories 1

References