Libaom: libaom: heap buffer overflow in av1 encoder first-pass stats buffer via lap mode

Summary

A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder's Look-Ahead Processing (LAP) mode causes the first-pass stats ring buffer wrap-around guard to be bypassed when g_lag_in_frames is set to 1 or higher. This results in a 232-byte out-of-bounds write on every encoded frame after the second, corrupting adjacent heap objects. An attacker who can influence encoder configuration in a transcoding service or WebRTC session could exploit this to cause a denial of service (process crash) or potentially achieve code execution.

Timeline

1. Jun 19, 2026, 4:28 PM UTCCVE published
2. Jun 25, 2026, 3:55 AM UTCCISA SSVC assessment

   Exploitation: none · Automatable: no · Technical impact: total

3. Oct 19, 2026, 11:20 AM UTCRecord last updated

Affected versions

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• firefox

  Version range not reported

• aom

  Version range not reported

• aom

  Version range not reported

• aom

  Version range not reported

• rhaiis/vllm-cuda-rhel9

  Version range not reported

• rhaiis/model-opt-cuda-rhel9

  Version range not reported

• rhaiis/vllm-rocm-rhel9

  Version range not reported

• rhaiis/model-opt-cuda-rhel9

  Version range not reported

• rhaiis/vllm-spyre-rhel9

  Version range not reported

• rhaiis/vllm-rocm-rhel9

  Version range not reported

• rhaiis/vllm-cuda-rhel9

  Version range not reported

• rhelai3/bootc-aws-cuda-rhel9

  Version range not reported

• rhelai3/bootc-azure-cuda-rhel9

  Version range not reported

• rhelai3/bootc-azure-rocm-rhel9

  Version range not reported

• rhelai3/bootc-cuda-rhel9

  Version range not reported

• rhelai3/bootc-gcp-cuda-rhel9

  Version range not reported

• rhelai3/bootc-rocm-rhel9

  Version range not reported

• rhelai3/disk-image-cuda-rhel9

  Version range not reported

• aom-main

  Version range not reported

• rhai/base-image-neuron-rhel9

  Version range not reported

• rhai/base-image-rocm-7.0-rhel9

  Version range not reported

• rhai/base-image-cuda-13.0-rhel9

  Version range not reported

• rhai/base-image-tpu-rhel9

  Version range not reported

• rhai/base-image-rocm-6.4-rhel9

  Version range not reported

• rhai/base-image-cpu-rhel9

  Version range not reported

• rhai/base-image-spyre-rhel9

  Version range not reported

• rhai/base-image-cuda-12.9-rhel9

  Version range not reported

• rhoai/odh-mlserver-rhel9

  Version range not reported

• rhoai/odh-th06-cpu-torch210-py312-rhel9

  Version range not reported

• rhoai/odh-th06-cuda130-torch210-py312-rhel9

  Version range not reported

• rhoai/odh-th06-rocm64-torch291-py312-rhel9

  Version range not reported

• rhai/base-image-tpu-rhel9

  Version range not reported

• rhai/base-image-cpu-rhel9

  Version range not reported

• rhai/base-image-gaudi-rhel9

  Version range not reported

• rhai/base-image-spyre-rhel9

  Version range not reported

• rhai/base-image-rocm-7.1-rhel9

  Version range not reported

• rhai/base-image-cuda-12.9-rhel9

  Version range not reported

• rhai/base-image-cuda-13.0-rhel9

  Version range not reported

• rhai/base-image-rocm-6.4-rhel9

  Version range not reported

• rhoai/odh-trustyai-garak-lls-provider-dsp-rhel9

  Version range not reported

• rhai/base-image-neuron-rhel9

  Version range not reported

• rhai/base-image-cpu-rhel9

  Version range not reported

• rhai/base-image-tpu-rhel9

  Version range not reported

• rhai/base-image-gaudi-rhel9

  Version range not reported

• rhai/base-image-cuda-13.0-rhel9

  Version range not reported

• rhai/base-image-rubin-rhel9

  Version range not reported

• rhai/base-image-spyre-rhel9

  Version range not reported

• rhai/base-image-cuda-12.9-rhel9

  Version range not reported

• rhai/base-image-rocm-7.14-rhel9

  Version range not reported

• rhaii/model-opt-cuda-rhel9

  Version range not reported

• rhaiis/vllm-cpu-rhel9

  Version range not reported

• rhaiis/vllm-neuron-rhel9

  Version range not reported

• rhaiis/vllm-tpu-rhel9

  Version range not reported

• rhaii/vllm-cpu-rhel9

  Version range not reported

• rhaii/vllm-cuda-rhel9

  Version range not reported

• rhaii/vllm-gaudi-rhel9

  Version range not reported

• rhaii/vllm-neuron-rhel9

  Version range not reported

• rhaii/vllm-rocm-rhel9

  Version range not reported

• rhaii/vllm-spyre-rhel9

  Version range not reported

• rhaii/vllm-tpu-rhel9

  Version range not reported

• firefox

  Version range not reported

• thunderbird

  Version range not reported

• thunderbird

  Version range not reported

• thunderbird

  Version range not reported

• rhoai/odh-automl-rhel9

  Version range not reported

• rhoai/odh-autorag-rhel9

  Version range not reported

• rhoai/odh-kserve-autogluon-server-rhel9

  Version range not reported

• rhoai/odh-llama-stack-core-rhel9

  Version range not reported

• rhoai/odh-llm-d-kv-cache-rhel9

  Version range not reported

• rhoai/odh-spark-operator-rhel9

  Version range not reported

• rhoai/odh-th06-cpu-torch291-py312-rhel9

  Version range not reported

• rhoai/odh-th06-cuda130-torch291-py312-rhel9

  Version range not reported

• rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9

  Version range not reported

• rhoai/odh-workbench-jupyter-datascience-cpu-py312-rhel9

  Version range not reported

• rhoai/odh-workbench-jupyter-minimal-cpu-py312-rhel9

  Version range not reported

• rhoai/odh-workbench-jupyter-minimal-cuda-py312-rhel9

  Version range not reported

• rhoai/odh-workbench-jupyter-minimal-rocm-py312-rhel9

  Version range not reported

• rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9

  Version range not reported

References 25