cve-2026-59250

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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59250.json"
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    ],
    "title": "megaco: Erlang/OTP Megaco Flex Scanner: Remote code execution or denial of service via oversized message",
    "tracking": {
      "current_release_date": "2026-08-19T13:40:01+00:00",
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      "id": "CVE-2026-59250",
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      "revision_history": [
        {
          "date": "2026-07-27T15:25:03.106000+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-08-18T20:40:50.418181+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-08-19T13:40:01+00:00",
          "number": "3",
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      "status": "final",
      "version": "3"
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-59250",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"
      },
      "discovery_date": "2026-07-27T16:01:52.892629+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2507559"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Erlang/OTP megaco flex scanner C driver. A remote, unauthenticated attacker can exploit a buffer overflow vulnerability by sending a specially crafted H.248/Megaco message with an oversized property parameter name. This can lead to memory corruption, potentially allowing for remote code execution or causing a denial of service (DoS) crash of the system. Exploitation requires network access to the megaco transport port on systems configured to use the flex scanner.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "megaco: Erlang/OTP Megaco Flex Scanner: Remote code execution or denial of service via oversized message",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Hardened Images:erlang27-main@aarch64",
          "Red Hat Hardened Images:erlang27-main@src",
          "Red Hat Hardened Images:erlang27-main@x86_64"
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      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-59250"
        },
        {
          "category": "external",
          "summary": "RHBZ#2507559",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507559"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-59250",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-59250"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-59250",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59250"
        },
        {
          "category": "external",
          "summary": "https://cna.erlef.org/cves/CVE-2026-59250.html",
          "url": "https://cna.erlef.org/cves/CVE-2026-59250.html"
        },
        {
          "category": "external",
          "summary": "https://github.com/erlang/otp/commit/8704c8f550a11ed5f825e3c011ecb03565b79c4f",
          "url": "https://github.com/erlang/otp/commit/8704c8f550a11ed5f825e3c011ecb03565b79c4f"
        },
        {
          "category": "external",
          "summary": "https://github.com/erlang/otp/security/advisories/GHSA-7xgh-gmgf-q2g7",
          "url": "https://github.com/erlang/otp/security/advisories/GHSA-7xgh-gmgf-q2g7"
        },
        {
          "category": "external",
          "summary": "https://osv.dev/vulnerability/EEF-CVE-2026-59250",
          "url": "https://osv.dev/vulnerability/EEF-CVE-2026-59250"
        },
        {
          "category": "external",
          "summary": "https://www.erlang.org/doc/system/versions.html#order-of-versions",
          "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
        }
      ],
      "release_date": "2026-07-27T15:25:03.106000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-28T02:50:00+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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          "url": "https://access.redhat.com/errata/RHSA-2026:47009"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
          "products": [
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            "Red Hat Hardened Images:erlang27-main@src",
            "Red Hat Hardened Images:erlang27-main@x86_64"
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      "threats": [
        {
          "category": "impact",
          "details": "Important",
          "product_ids": [
            "Red Hat Hardened Images:erlang27-main@aarch64",
            "Red Hat Hardened Images:erlang27-main@src",
            "Red Hat Hardened Images:erlang27-main@x86_64"
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        }
      ],
      "title": "megaco: Erlang/OTP Megaco Flex Scanner: Remote code execution or denial of service via oversized message"
    }
  ]
}