A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf. NOTE: Third parties dispute that this is a vulnerability because “no evidence of a vulnerability is provided” and only “a generic warning from a static code analysis” is provided
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ffmpeg | — | Upgrade to FFmpeg version 1.0 | Jul 20, 2026 | Sep 19, 2019 |
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