After upgrade to version 126.0.6478.114-1~deb12u1 from
124.0.6367.60-1~deb12u1 I've got the very same problem.
Since no one mentioned it, running chromium from the command line, after
the last chromium window is exited I get the following errors:
$ /usr/bin/chromium
[0623/172157.838403:ERROR:elf_dynamic_array_reader.h(64)] tag not found
[0623/172157.839146:ERROR:elf_dynamic_array_reader.h(64)] tag not found
[0623/172157.839731:ERROR:elf_dynamic_array_reader.h(64)] tag not found
Errore di segmentazione (segmentation fault in italian)
Luca