5.9

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-36615

CVE-2024-36615: FFmpeg n7.0 has a race condition vulnerability in the VP9 decoder. This could lead to a data race...

FFmpeg n7.0 has a race condition vulnerability in the VP9 decoder. This could lead to a data race if video encoding parameters were being exported, as the side data would be attached in the decoder thread while being read in the output thread.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2024-36615

CVE-2024-36615:

5.9

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The analysis is based on the provided commit patch and message. The commit message explicitly describes a race condition in the VP9 decoder related to 'show-existing' frames and the export of video encoding parameters. The patch modifies the vp9_decode_frame function to add synchronization (ff_progress_frame_await), indicating that this function was the site of the vulnerability. The vp9_export_enc_params function is identified as being involved because it's the function that attaches the side data, which is subject to the race condition. The primary vulnerability lies in vp9_decode_frame's previous lack of proper synchronization before the frame data (potentially modified by vp9_export_enc_params) was accessed by another thread.

Vulnerable functions

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WAF Rule

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Reasoning

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