{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-118689",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-28T17:31:29.498Z",
        "datePublished": "2026-10-28T21:11:17.232Z",
        "dateUpdated": "2026-10-28T21:11:17.232Z"
    },
    "containers": {
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                "dateUpdated": "2026-10-28T21:11:17.232Z"
            },
            "datePublic": "2026-09-14T00:00:00.000Z",
            "title": "OvenMediaEngine through 0.21.0 OVT Relay DoS via Oversized payload_length",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OvenMediaEngine through 0.21.0 contains a denial of service vulnerability in OvtPacket::LoadHeader() that allows unauthenticated attackers to stall connections by sending payload_length values above 32750. Attackers can send crafted OVT packets to the OVT listener to hold connections open indefinitely and accumulate buffered memory, disrupting origin-to-edge stream relay."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Allocation of Resources Without Limits or Throttling",
                            "cweId": "CWE-770",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "OvenMediaLabs",
                    "product": "OvenMediaEngine",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.21.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
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                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.7,
                        "baseSeverity": "HIGH"
                    }
                },
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                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/OvenMediaLabs/OvenMediaEngine/issues/2330",
                    "tags": [
                        "issue-tracking"
                    ],
                    "name": "GitHub Issue #2330"
                },
                {
                    "url": "https://github.com/OvenMediaLabs/OvenMediaEngine",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_packet.cpp#L48-L129",
                    "tags": [
                        "technical-description"
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                },
                {
                    "url": "https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_depacketizer.cpp#L32-L53",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/OvenMediaLabs/OvenMediaEngine/commit/ce316146d668a934217f25c777289ca256aa6786",
                    "tags": [
                        "patch"
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                },
                {
                    "name": "VulnCheck Advisory: OvenMediaEngine through 0.21.0 OVT Relay DoS via Oversized payload_length",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/ovenmediaengine-through-0.21.0-ovt-relay-dos-via-oversized-payload-length"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "NoorahSmith",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}