{"id":"CVE-2023-45318","aliases":["EUVD-2023-49612","GHSA-j494-r8wx-qpjr"],"status":"published","title":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston...","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01746,"percentile":0.78106,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2024-02-20T14:45:02Z","modified":"2026-06-17T06:28:37Z","products":[{"vendor":"silabs","product":"gecko_platform"},{"vendor":"silabs","product":"gecko_software_development_kit"},{"vendor":"silicon labs","product":"gecko platform"},{"vendor":"weston embedded","product":"uc-http"},{"vendor":"weston-embedded","product":"uc-http"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1843","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1843"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45318"},{"url":"https://github.com/advisories/GHSA-j494-r8wx-qpjr"}],"sources":{"cve":[{"id":"CVE-2023-45318","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2024-02-20T14:45:02.103Z","modified":"2025-11-04T18:17:44.895Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-49612","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2024-02-20T14:45:02Z","modified":"2025-11-04T18:17:44Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:24.543935Z"}],"ghsa":[{"id":"GHSA-j494-r8wx-qpjr","title":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston...","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2024-02-20T15:31:05Z","modified":"2026-03-26T05:00:42Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:06:52.37988Z"}],"nvd":[{"id":"CVE-2023-45318","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP git commit 80d4004. A specially crafted network packet can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2024-02-20T15:15:08.727Z","modified":"2026-06-17T06:28:37.22Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:09:07.077422Z"}]}}