Security advisory

{
  "id": "043c5094d272b193a91036e1c632c0afc7e785a1d222df236fc3235a59dd7bed",
  "url": "https://osv.dev/vulnerability/CVE-2023-27882",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-27882",
    "summary": "A heap-based buffer overflow vulnerability exists in the HTTP Server form boundary 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.",
    "evidence": "osv:CVE-2023-27882",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-27882",
      "aliases": [
        "CVE-2023-27882"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/siliconlabs/gecko_sdk",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2ba59bf969e94a0544e73e501d876722790f7a89"
                },
                {
                  "last_affected": "2ba59bf969e94a0544e73e501d876722790f7a89"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:silabs:gecko_software_development_kit:4.3.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.3.1"
                      },
                      {
                        "last_affected": "4.3.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.3.1",
            "v4.3.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-27882.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/weston-embedded/uc-http",
              "type": "GIT",
              "events": [
                {
                  "introduced": "66272f451b35abda4cb23a78c5d91dd04ab59ee8"
                },
                {
                  "last_affected": "66272f451b35abda4cb23a78c5d91dd04ab59ee8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:weston-embedded:uc-http:3.01.01:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.01.01"
                      },
                      {
                        "last_affected": "3.01.01"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.01.01",
            "v3.01.01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-27882.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.527290674Z",
      "provider": "osv",
      "references": [
        "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1733",
        "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1733",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27882.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-27882"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-122"
        ],
        "cna_assigner": "talos",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.3.1.0"
                  },
                  {
                    "last_affected": "4.3.1.0"
                  },
                  {
                    "introduced": "3.07.01"
                  },
                  {
                    "last_affected": "3.07.01"
                  },
                  {
                    "introduced": "v3.01.01"
                  },
                  {
                    "last_affected": "v3.01.01"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/27xxx/CVE-2023-27882.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-27882",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495387,
  "published_at": "2023-11-14T09:14:52.532+00:00"
}