This update for ffmpeg fixes the following issues:

- CVE-2021-3566: Fixed information leak (bsc#1189166).
- CVE-2021-38093: Fixed integer overflow vulnerability in filter_robert() (bsc#1190734)
- CVE-2021-38092: Fixed integer overflow vulnerability in filter_prewitt() (bsc#1190733)
- CVE-2021-38094: Fixed integer overflow vulnerability in filter_sobel() (bsc#1190735)
- CVE-2020-22037: Fixed denial of service vulnerability caused by memory leak in avcodec_alloc_context3() (bsc#1186756)
- CVE-2020-35965: Fixed out-of-bounds write in decode_frame() (bsc#1187852)
- CVE-2020-20892: Fixed an issue with filter_frame() (bsc#1190719)
- CVE-2020-20891: Fixed a buffer overflow vulnerability in config_input() (bsc#1190718)
- CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name (bsc#1190722)
- CVE-2020-20896: Fixed an issue with latm_write_packet() (bsc#1190723)
- CVE-2020-20899: Fixed a buffer overflow vulnerability in config_props() (bsc#1190726)
- CVE-2020-20902: Fixed an out-of-bounds read vulnerabilit long_term_filter() (bsc#1190729)