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James Almer 9abe92e3af
avcodec/av1dec: check that primary_ref_frame is within range 
Fixes CVE-2026-30997

Fixes: Out-of-Bounds Access
Found-by: Xinghang Lv
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 1a2c16fe51)
(cherry picked from commit 3c4ca300f4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2026-05-05 03:42:05 +02:00
.forgejo forgejo: backport CI job names 2026-01-02 20:02:52 +01:00
compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
doc Prepare 7.1.4 release 2026-05-04 17:11:16 +02:00
ffbuild riscv: add Zvbb vector bit manipulation extension 2024-05-11 11:38:49 +03:00
fftools fftools/ffmpeg_opt: validate stream index in negative map handling 2026-05-04 15:57:30 +02:00
libavcodec avcodec/av1dec: check that primary_ref_frame is within range 2026-05-05 03:42:05 +02:00
libavdevice avdevice/gdigrab: suppress int to pointer cast warning 2026-05-04 15:56:58 +02:00
libavfilter avfilter/vf_kerndeint: Check for minimum height 2026-05-04 15:57:32 +02:00
libavformat avformat/avidec: check LIST size in avi_load_index() 2026-05-04 15:57:33 +02:00
libavutil avutil/samplefmt: Dont claim that av_get_sample_fmt_string checks sample_fmt 2026-05-04 15:57:24 +02:00
libpostproc postproc/postprocess_template: fix dering with a 16x16 image 2025-06-11 17:29:46 +02:00
libswresample swresample/resample_template: add casts to avoid undefined overflows 2026-05-04 15:57:13 +02:00
libswscale swscale/swscale_unscaled: adjust last line copy 2026-05-04 15:57:33 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests lavfi/bwdif: fix heap-buffer-overflow with small height videos 2026-05-04 15:57:20 +02:00
tools forgejo: backport CI to release/7.1 2025-12-07 15:54:59 +00:00
.gitattributes lavf/assenc: normalize line endings to \n 2024-02-11 17:01:07 -08:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: add entry for myself 2024-07-15 01:59:37 +02:00
Changelog Prepare 7.1.4 release 2026-05-04 17:11:16 +02:00
configure configure: bump CONFIG_THIS_YEAR to 2026 2026-05-05 02:42:03 +02:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2 Rename COPYING.GPL --> COPYING.GPLv2 and COPYING.LGPL --> COPYING.LGPLv2.1. 2009-06-05 09:51:31 +00:00
COPYING.GPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
COPYING.LGPLv2.1 all: apply linter fixes 2025-12-07 15:54:59 +00:00
COPYING.LGPLv3 Add configure option to upgrade (L)GPL to version 3. 2009-06-05 11:04:03 +00:00
CREDITS Use https for repository links 2023-03-01 21:59:10 +01:00
INSTALL.md INSTALL: explain the circular dependency issue and solution 2025-01-03 18:28:37 +01:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Add entry for samples-request 2025-06-11 17:29:48 +02:00
Makefile add tools/target_swr_fuzzer 2024-08-08 15:26:52 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Prepare 7.1.4 release 2026-05-04 17:11:16 +02:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.1 2024-09-29 18:47:04 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides means to alter decoded audio and video through a directed graph of connected filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.