# FFmpeg 5.1.10 — n5.1.10

- Product: FFmpeg (https://whatsnew.fyi/product/ffmpeg)
- Vendor: FFmpeg
- Date: 2026-06-21
- Version: 5.1.10
- Original notes: https://github.com/FFmpeg/FFmpeg/releases/tag/n5.1.10
- Permalink: https://whatsnew.fyi/product/ffmpeg/releases/5.1.10
- Labels: Machine-generated from commit messages — the vendor published no release notes

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — avcodec/hevc: limit missing-ref fill to coded planes
- **fixed** — avformat/wav: Fix issues with unaligned metadata chunks
- **fixed** — avcodec/diracdec: Enlarge mctmp to cover worst-case MC buffer and fix heap buffer overflow in edge_emu_buffer
- **fixed** — avfilter/boxblur: Fix off by one errors
- **fixed** — avformat/vividas: fix misaligned access
- **fixed** — avcodec/jpeg2000dec: compute mask in decode_clnpass() like in decode_sigpass() and clear array length when freeing it
- **fixed** — avformat/rtpenc_aac: reject packets smaller than the ADTS header
- **fixed** — avformat/ftp: reject CR/LF in the URL path to prevent FTP command injection and check for Telnet IAC characters and other non printable ASCII chars
- **fixed** — avcodec/magicyuv: Fix 1 line MEDIAN slices, expand slice-height sanity check, and reject slice_height misaligned with chroma vshift