Security advisory

{
  "id": "80dae49e49248fa40c643e9b7d76622c5e1bdc7af37f8c379abf0fe8991e4034",
  "url": "https://osv.dev/vulnerability/CVE-2020-13899",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13899",
    "summary": "An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_process_incoming_request in janus.c discloses information from uninitialized stack memory.",
    "evidence": "osv:CVE-2020-13899",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-13899",
      "aliases": [
        "CVE-2020-13899"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/meetecho/janus-gateway",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ebab9f6d231323d6a5e5724c3bd2d4f8a88aaefe"
                },
                {
                  "last_affected": "30316fb78720bcf3b12cecea314e16a93915128a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:meetecho:janus:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.9.0"
                      },
                      {
                        "last_affected": "0.10.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.10.0",
            "v0.9.5",
            "v0.9.4",
            "v0.9.3",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13899.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:48.456770303Z",
      "provider": "osv",
      "references": [
        "https://github.com/meetecho/janus-gateway/blob/v0.10.0/janus.c#L1326",
        "https://github.com/meetecho/janus-gateway/pull/2214",
        "https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13899"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13899",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382972,
  "published_at": "2020-06-10T22:15:11.343+00:00"
}