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7.1High

CVE-2026-56211Libaom: libaom: remote code execution via svc layer context handling with attacker-controlled frames

Red Hat Red Hat Enterprise Linux AI 3.3 for RHEL 9; Red Hat Red Hat Enterprise Linux AI 3.4 for RHEL 9; Red Hat Red Hat Enterprise Linux AI 3.5 for RHEL 9; Red… Published: (4 months ago)

Description

A remote code execution vulnerability was found in libaom, the reference AV1 codec implementation. Insufficient bounds validation in the AV1 encoder's SVC (Scalable Video Coding) layer ID control allows an attacker to supply crafted video frame pixels that overlap with internal encoder layer context structures. In fork-based video processing services, an attacker can use this to hijack the cyclic refresh map pointer, brute-force the process base address via a crash oracle, and redirect control flow to achieve arbitrary command execution. Exploitation requires the target service to use libaom with SVC encoding enabled and accept attacker-supplied video frames.

Weakness (CWE): CWE-787

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
ai inference server 3.2 —
ai inference server 3.3 —
enterprise linux ai 3.3 —
enterprise linux ai 3.4 —
enterprise linux ai 3.5 —
openshift ai 3.3 —
openshift ai 3.4 —
openshift ai 3.5 —
Red Hat Red Hat AI Inference Server all versions
Red Hat Red Hat AI Inference Server 3.2 all versions
Red Hat Red Hat AI Inference Server 3.3 all versions
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux AI 3.3 all versions
Red Hat Red Hat Enterprise Linux AI 3.3 for RHEL 9 all versions
Red Hat Red Hat Enterprise Linux AI 3.4 for RHEL 9 all versions
Red Hat Red Hat Enterprise Linux AI 3.5 for RHEL 9 all versions
Red Hat Red Hat Hardened Images all versions
Red Hat Red Hat OpenShift AI 3.3 all versions
Red Hat Red Hat OpenShift AI 3.4 all versions
Red Hat Red Hat OpenShift AI 3.5 all versions
Red Hat Red Hat OpenShift AI (RHOAI) —

References and patches

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