CVE-2020-24020: Buffer Overflow vulnerability in FFMpeg 4.2.3 in dnn_execute_layer_pad in libavfilter/dnn/dnn_backend_nativ...

Security readout for executives and security teams

This issue is a buffer overflow in FFmpeg 4.2.3. The CVE says a missing length check around memcpy in FFmpeg's native DNN padding layer could allow a remote malicious user to execute arbitrary code. Business risk is highest where FFmpeg processes untrusted media automatically. Likely exposure is systems embedding or invoking FFmpeg 4.2.3, especially media ingestion, transcoding, scanning, thumbnailing, or AI/video pipelines that accept files from users or partners. Treat as high priority for media-processing environments because the stated impact is remote code execution. If FFmpeg is absent, newer, or not exposed to untrusted media, urgency is lower but should be documented. Mitigation focus: Inventory FFmpeg versions in hosts, containers, appliances, and bundled applications.; Prioritize systems processing untrusted or internet-supplied media.; Check FFmpeg vendor guidance and the referenced upstream commit for fixed builds..

Prepared

Jun 2, 2026, 19:53 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.