{"cve":"CVE-2026-118689","nvd":{"published":"2026-10-28T22:17:12.920","modified":"2026-10-28T22:17:12.920","status":"Received","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.","cvss_v4":{"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},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://github.com/OvenMediaLabs/OvenMediaEngine","https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_depacketizer.cpp#L32-L53","https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_packetizer/ovt_packet.cpp#L48-L129","https://github.com/OvenMediaLabs/OvenMediaEngine/commit/ce316146d668a934217f25c777289ca256aa6786","https://github.com/OvenMediaLabs/OvenMediaEngine/issues/2330"],"products":[],"source":"nvd","synced_at":"2026-10-28T22:33:43.436067948+00:00"},"epss":null,"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}