File _patchinfo of Package patchinfo.20471

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File _patchinfo of Package patchinfo.20471

<patchinfo incident="20471">
  <issue tracker="cve" id="2020-22048"/>
  <issue tracker="cve" id="2020-22046"/>
  <issue tracker="cve" id="2020-22049"/>
  <issue tracker="cve" id="2019-9721"/>
  <issue tracker="cve" id="2020-22054"/>
  <issue tracker="cve" id="2020-21688"/>
  <issue tracker="cve" id="2020-21697"/>
  <issue tracker="cve" id="2021-38114"/>
  <issue tracker="bnc" id="1189348"></issue>
  <issue tracker="bnc" id="1189350"></issue>
  <issue tracker="bnc" id="1189142"></issue>
  <issue tracker="bnc" id="1186859">VUL-0: CVE-2020-22048: ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the ff_frame_pool_get function in framepool.c.</issue>
  <issue tracker="bnc" id="1186849">VUL-0: CVE-2020-22046: ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the avpriv_float_dsp_allocl function in libavutil/float_dsp.c.</issue>
  <issue tracker="bnc" id="1186863">VUL-0: CVE-2020-22054: ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_dict_set function in dict.c.</issue>
  <issue tracker="bnc" id="1129714">VUL-1: CVE-2019-9721: ffmpeg: denial of service in the subtitle decoder in handle_open_brace from libavcodec/htmlsubtitles.c</issue>
  <issue tracker="bnc" id="1186861">VUL-0: CVE-2020-22049: ffmpeg: A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.</issue>
  <packager>AZhou</packager>
  <rating>important</rating>
  <category>security</category>
  <summary>Security update for ffmpeg</summary>
  <description>This update for ffmpeg fixes the following issues:

- CVE-2019-9721: Fix denial of service in the subtitle decoder in handle_open_brace from libavcodec/htmlsubtitles.c (bsc#1129714).
- CVE-2020-22046: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the avpriv_float_dsp_allocl function in libavutil/float_dsp.c (bsc#1186849).
- CVE-2020-22048: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the ff_frame_pool_get function in framepool.c (bsc#1186859).
- CVE-2020-22049: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c (bsc#1186861).
- CVE-2020-22054: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_dict_set function in dict.c (bsc#1186863).
- CVE-2020-21688: Fixed a heap-use-after-free in the av_freep function in libavutil/mem.c (bsc#1189348).
- CVE-2020-21697: Fixed a heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c (bsc#1189350).
- CVE-2021-38114: Fixed a not checked return value of the init_vlc function (bsc#1189142).
</description>
</patchinfo>

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