{"id":"CVE-2026-118689","aliases":[],"cve":{"records":[{"id":"CVE-2026-118689","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-28T17:31:29.498Z","published":"2026-10-28T21:11:17.232Z","modified":"2026-10-28T21:11:17.232Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-28T21:11:17.232Z"}],"references":[{"url":"https://github.com/OvenMediaLabs/OvenMediaEngine/issues/2330","tags":["issue-tracking"],"source":"VulnCheck"},{"url":"https://github.com/OvenMediaLabs/OvenMediaEngine","tags":["product"],"source":"VulnCheck"},{"url":"https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_packet.cpp#L48-L129","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_depacketizer.cpp#L32-L53","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/OvenMediaLabs/OvenMediaEngine/commit/ce316146d668a934217f25c777289ca256aa6786","tags":["patch"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/ovenmediaengine-through-0.21.0-ovt-relay-dos-via-oversized-payload-length","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","source":"VulnCheck"}],"applicability":[],"prioritization":[]},"title":"OvenMediaEngine through 0.21.0 OVT Relay DoS via Oversized payload_length","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"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relay.","score":8.7,"severity":"high","published":"2026-10-28T21:11:17.232Z","modified":"2026-10-28T21:11:17.232Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"OvenMediaLabs","name":"OvenMediaEngine","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.21.0","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-118689"}],"remediation":[],"references":["https://github.com/OvenMediaLabs/OvenMediaEngine/issues/2330","https://github.com/OvenMediaLabs/OvenMediaEngine","https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_packet.cpp#L48-L129","https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_depacketizer.cpp#L32-L53","https://github.com/OvenMediaLabs/OvenMediaEngine/commit/ce316146d668a934217f25c777289ca256aa6786","https://www.vulncheck.com/advisories/ovenmediaengine-through-0.21.0-ovt-relay-dos-via-oversized-payload-length"],"sources":[{"name":"CVE","id":"CVE-2026-118689","modified":"2026-10-28T21:11:17.232Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118689"}],"assessments":[{"source":"VulnCheck","vector":"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","score":8.7},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5}],"sourceAffected":[],"observedAt":"2026-10-29T14:37:41.847Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T03:00:34.533Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T00:00:51.499Z","attemptedAt":"2026-10-29T00:00:51.499Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-29T00:00:34.902Z","attemptedAt":"2026-10-29T00:00:34.902Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T00:00:35.333Z","attemptedAt":"2026-10-29T00:00:35.333Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-29T00:00:34.675Z","attemptedAt":"2026-10-29T00:00:34.675Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112490","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112490","modified":"Oct 28, 2026, 9:11:17 PM","score":8.7,"vector":"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","checkedAt":"2026-10-29T00:00:35.333Z"},{"source":"NVD","id":"CVE-2026-118689","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118689","modified":"2026-10-28T22:17:12.920","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-10-29T00:00:51.499Z"},{"source":"NVD","id":"CVE-2026-118689","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118689","modified":"2026-10-28T22:17:12.920","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-10-29T00:00:51.499Z"}],"aiSummary":{"text":"OvenMediaEngine through 0.21.0 has a denial of service vulnerability in OvtPacket::LoadHeader() that allows unauthenticated attackers to stall connections by sending oversized payload_length values. This can disrupt origin-to-edge stream relay. Attackers can send crafted OVT packets to hold connections open indefinitely.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:01:48.676Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118689"}]}}