rtl_433 through 25.12 Stack-Based Buffer Overflow via Proflame 2 Decoder

{
  "id": "060a2a7e11b3d938cf0e4e4e92b0f6c3f3bfac653d45884bbd957c040d911ccc",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-117609",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rtl_433 through 25.12 Stack-Based Buffer Overflow via Proflame 2 Decoder",
    "summary": "rtl_433 through 25.12 contains a stack-based buffer overflow vulnerability in proflame2_mc() that allows nearby attackers to write past a 7-byte stack buffer by sending more than seven valid Manchester-coded words. Attackers can transmit a crafted OOK radio signal or supply a crafted signal file to crash rtl_433 and corrupt stack memory, enabling control-flow hijacking on builds without stack canaries.",
    "evidence": "cve:CVE-2026-117609",
    "products": [
      {
        "name": {
          "value": "rtl_433",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-117609",
      "aliases": [
        "CVE-2026-117609"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 7.1,
            "attackVector": "ADJACENT",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE"
          }
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 7.1,
            "attackVector": "ADJACENT_NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "integrityImpact": "LOW",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "NONE"
          }
        }
      ],
      "affected": [
        {
          "repo": "https://github.com/merbanan/rtl_433",
          "vendor": "merbanan",
          "product": "rtl_433",
          "versions": [
            {
              "status": "affected",
              "version": "21.12",
              "versionType": "custom",
              "lessThanOrEqual": "25.12"
            }
          ],
          "packageURL": "pkg:github/merbanan/rtl_433",
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T16:12:02.323Z",
      "provider": "cve",
      "references": [
        "https://github.com/merbanan/rtl_433/issues/3739",
        "https://github.com/merbanan/rtl_433/pull/3740",
        "https://github.com/merbanan/rtl_433/commit/f35183aaf1d2d905d422fd70bcae4eb7349d6186",
        "https://github.com/merbanan/rtl_433/blob/25.12/src/devices/proflame2.c#L46-L95",
        "https://github.com/merbanan/rtl_433",
        "https://www.vulncheck.com/advisories/rtl-433-through-25.12-stack-based-buffer-overflow-via-proflame-2-decoder"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-117609",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T14:35:22.684428Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T16:12:02.323Z"
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        "cna": {
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          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-28T02:03:18.083Z"
        }
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    },
    "related_cves": [
      {
        "value": "CVE-2026-117609",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 460253,
  "published_at": "2026-10-28T02:03:18.083+00:00"
}