{"id":"CVE-2023-31247","details":"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.","modified":"2026-03-02T08:07:50.132108Z","published":"2023-11-14T10:15:28.393Z","references":[{"type":"WEB","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1746"},{"type":"ADVISORY","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"},{"type":"ARTICLE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"},{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/siliconlabs/gecko_sdk","events":[{"introduced":"0"},{"last_affected":"2ba59bf969e94a0544e73e501d876722790f7a89"}]}],"versions":["v4.2.0","v4.2.1","v4.2.2","v4.2.3","v4.3.0","v4.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31247.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}