I'm observing the same symptom with blender 2.82.a+dfsg-1+b3 on Debian testing.
blender: Installed: 2.82.a+dfsg-1+b3 Candidate: 2.82.a+dfsg-1+b3 Version table: *** 2.82.a+dfsg-1+b3 500 500 http://deb.debian.org/debian bullseye/main amd64 Packages 100 /var/lib/dpkg/status I installed the coredumpctl package and managed to get something like a partial stack trace. warning: Unexpected size of section `.reg-xstate/51063' in core file. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `blender'. Program terminated with signal SIGSEGV, Segmentation fault. warning: Unexpected size of section `.reg-xstate/51063' in core file. #0 0x00007f2927d1ce6a in ?? () from /lib/x86_64-linux-gnu/libswscale.so.5 [Current thread is 1 (Thread 0x7f2915a8e740 (LWP 51063))] (gdb) where #0 0x00007f2927d1ce6a in ?? () from /lib/x86_64-linux-gnu/libswscale.so.5 #1 0x00007f2927d1b912 in ?? () from /lib/x86_64-linux-gnu/libswscale.so.5 #2 0x00007f2927cefcf8 in sws_scale () from /lib/x86_64-linux-gnu/libswscale.so.5 #3 0x000055d91728b021 in IMB_anim_absolute () #4 0x000055d916f6b936 in openanim () #5 0x000055d917027df4 in BKE_sequencer_add_movie_strip () #6 0x000055d917725b4a in ?? () #7 0x000055d91711418f in ?? () #8 0x000055d917116fa1 in ?? () #9 0x000055d917118b6c in ?? () #10 0x000055d9171193ed in wm_event_do_handlers () #11 0x000055d91710ea60 in WM_main () #12 0x000055d916ee946e in main () (gdb) The crash happened every time I tried adding a movie strip. Details about the movie strip: $ ffprobe -hide_banner ZOOM0001.MOV [mov,mp4,m4a,3gp,3g2,mj2 @ 0x55992e1ea580] unsupported color_parameter_type aclc Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'ZOOM0001.MOV': Metadata: major_brand : qt minor_version : 0 compatible_brands: qt creation_time : 2020-07-11T12:12:19.000000Z Duration: 01:00:12.80, start: 0.000000, bitrate: 8179 kb/s Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuvj420p(pc), 1280x720 [SAR 1:1 DAR 16:9], 7999 kb/s, 25 fps, 25 tbr, 25k tbn, 50 tbc (default) Metadata: creation_time : 2020-07-11T12:12:19.000000Z handler_name : Ambarella AVC encoder : Ambarella AVC encoder Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default) Metadata: creation_time : 2020-07-11T12:12:19.000000Z handler_name : Ambarella AAC In the meantime I'm working around this by running Blender downloaded directly from blender.org.