Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/OvenMediaLabs/OvenMediaEngine
- https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_pa
- https://github.com/OvenMediaLabs/OvenMediaEngine/blob/v0.21.0/src/modules/ovt_pa
- https://github.com/OvenMediaLabs/OvenMediaEngine/commit/ce316146d668a934217f25c7
- https://github.com/OvenMediaLabs/OvenMediaEngine/issues/2330
- https://www.vulncheck.com/advisories/ovenmediaengine-through-0.21.0-ovt-relay-do
FAQ
What is CVE-2026-118689?
CVE-2026-118689 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 3...
How severe is CVE-2026-118689?
CVE-2026-118689 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-118689?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.