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Michael Niedermayer 5e9af0efd5
avformat/mlvdec: fix size checks 
Fixes: heap-buffer-overflow
Fixes: 391962476/clusterfuzz-testcase-minimized-ffmpeg_dem_MLV_fuzzer-5746746587676672

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 251d43aef0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:55 +02:00
compat avfilter: add chromakey_cuda filter 2022-07-10 17:20:15 +02:00
doc doc/developer: Document relationship between git accounts and MAINTAINERS 2025-08-04 16:35:42 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg: Check read() for failure 2024-07-21 18:55:33 +02:00
libavcodec avcodec/h263dec: Check against previous dimensions instead of coded 2025-08-04 16:35:54 +02:00
libavdevice avdevice/dshow: Initialize 2 pointers 2025-08-04 16:35:26 +02:00
libavfilter avfilter/vf_v360: Fix NULL pointer use 2025-08-04 16:35:51 +02:00
libavformat avformat/mlvdec: fix size checks 2025-08-04 16:35:55 +02:00
libavutil avutil/avstring: dont mess with NULL pointers in av_match_list() 2025-08-04 16:35:51 +02:00
libpostproc Bump Versions for 5.1 branch 2022-07-13 00:27:37 +02:00
libswresample swresample/swresample_frame: fix regression in detecting changes 2025-04-30 01:32:04 +02:00
libswscale swscale/output: Fix undefined overflow in yuv2rgba64_full_X_c_template() 2025-08-04 16:35:49 +02:00
presets presets: remove moldering iPod presets 2014-06-17 16:15:04 -08:00
tests fate/subtitles: Ignore line endings for sub-scc test 2024-04-14 03:24:49 +02:00
tools tools/target_dec_fuzzer: Check that FFv1 doesnt leave uninitialized memory in its buffers 2025-08-04 16:35:26 +02:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore gitignore: add config_components.h 2022-03-17 18:35:41 -03:00
.mailmap mailmap: add entry for myself 2021-03-09 02:09:55 +00:00
.travis.yml Merge commit '899ee03088' 2019-03-14 15:53:16 -03:00
Changelog Changelog: update 2024-08-05 00:41:42 +02:00
configure lsws/ppc/yuv2rgb_altivec: Fix build in non-VSX environments with Clang v2 2025-03-16 00:39:09 -04:00
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 cosmetics: Delete empty lines at end of file. 2012-02-09 12:26:45 +01:00
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 2023-03-16 14:48:40 +01:00
INSTALL.md INSTALL: explain the circular dependency issue and solution 2025-08-04 16:35:40 +02:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: Update the entries for the release maintainer for FFmpeg 2024-07-21 17:20:25 +02:00
Makefile Makefile: Prompt for reconfigure on lavc/hwaccels.h modification 2022-07-01 00:34:38 +02:00
README.md README: fix typo and description of libavfilter 2021-10-08 09:44:34 +05:30
RELEASE Update for 5.1.6 2024-07-25 20:30:30 +02:00
RELEASE_NOTES RELEASE_NOTES: Based on the version from 5.0 2022-07-20 18:24:16 +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.