CVE-2026-56210

Fixed in a distro release EPSS <1%CVSS 7.1

A heap-buffer-overflow read vulnerability was found in libaom, the reference AV1 codec implementation. A missing bounds check in the SVC (Scalable Video Coding) layer ID control function allows setting a spatial_layer_id exceeding the configured number of layers. This causes an out-of-bounds heap read of approximately 40,728 bytes when computing a layer context array index. An attacker who can influence SVC encoder parameters in a network-facing service could exploit this for information disclosure (heap content leak) or denial of service (segmentation fault from hitting unmapped memory).

Published 2026-06-19 · CVE record · OSV

Products: Red Hat Enterprise Linux AI 3.3 for RHEL 9, Red Hat Enterprise Linux AI 3.4 for RHEL 9, Red Hat Enterprise Linux AI 3.5 for RHEL 9, Red Hat AI Inference Server 3.2, Red Hat AI Inference Server 3.3, Red Hat Enterprise Linux AI 3.3, Red Hat Hardened Images, Red Hat OpenShift AI 3.3, Red Hat OpenShift AI 3.4, Red Hat OpenShift AI 3.5, Red Hat AI Inference Server, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift AI (RHOAI)

Distro releases