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Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow

Type: advisorySources: OSV

Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. This vulnerability may allow further exploitation on the host system.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-34449
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 17:44 UTC · Revision 1

Source evidence

Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow

core-osv · Original source

Published 18 Dec 2025, 21:15 UTC

Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. This vulnerability may allow further exploitation on the host system.

osv:CVE-2025-34449
Complete source record
{
  "id": "98dc8c43831481518d12fa061130ede73bdafe14aa1a2367621186d1fadfcc9a",
  "url": "https://osv.dev/vulnerability/CVE-2025-34449",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Genymobile/scrcpy <= 3.3.3 Global Buffer Overflow",
    "summary": "Genymobile/scrcpy versions up to and including 3.3.3, prior to commit 3e40b24, contain a buffer overflow vulnerability in the sc_device_msg_deserialize() function. A compromised device can send crafted messages that cause out-of-bounds reads, which may result in memory corruption or a denial-of-service condition. This vulnerability may allow further exploitation on the host system.",
    "evidence": "osv:CVE-2025-34449",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-34449",
      "aliases": [
        "CVE-2025-34449"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/genymobile/scrcpy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "fb6381f5b9bb96f3fa823d899f4c32de2ec84ab3"
                },
                {
                  "fixed": "3e40b24"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:genymotion:scrcpy:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.3.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3e40b24"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.3.3",
            "v3.3.2",
            "v3.3.1",
            "v3.3",
            "v3.2",
            "v3.1",
            "v3.0.2",
            "v3.0.1",
            "v3.0",
            "v2.7",
            "v2.6.1-install-release",
            "v2.6.1",
            "v2.6-install-release",
            "v2.6",
            "v2.5-install-release",
            "v2.5",
            "v2.4-install-release",
            "v2.4",
            "v2.3.1-install-release",
            "v2.3.1",
            "v2.3-install-release",
            "v2.3",
            "v2.2-install-release",
            "v2.2",
            "v2.1.1-install-release",
            "v2.1.1",
            "v2.1-install-release",
            "v2.1",
            "v2.0-install-release",
            "v2.0",
            "v1.25",
            "v1.24",
            "v1.23",
            "v1.22",
            "v1.21",
            "v1.20",
            "v1.19",
            "v1.18",
            "v1.17",
            "v1.16",
            "v1.15.1",
            "v1.15",
            "v1.14",
            "v1.13",
            "v1.12.1",
            "v1.12",
            "v1.11",
            "v1.10",
            "v1.8",
            "v1.7",
            "v1.6",
            "v1.5-fixversion",
            "v1.5",
            "v1.4",
            "v1.3",
            "v1.2",
            "v1.1",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-34449.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.943386473Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/34xxx/CVE-2025-34449.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-34449",
        "https://www.vulncheck.com/advisories/genymobile-scrcpy-global-buffer-overflow",
        "https://github.com/Genymobile/scrcpy/issues/6415",
        "https://github.com/Genymobile/scrcpy/commit/3e40b24",
        "https://github.com/Genymobile/scrcpy",
        "https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-003-scrcpy-global-buffer-overflow.md"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-502"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/34xxx/CVE-2025-34449.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-34449",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497974,
  "published_at": "2025-12-18T21:15:23.069+00:00"
}