Description of problem:
Running jigdo-lite against debian 12 jigdo dvd iso1

Shows error:

egrep: warning: egrep is obsolescent; using grep -E
/usr/include/c++/13/bits/basic_string.h:1221: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator[](size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; reference = char&; size_type = long unsigned int]: Assertion '__pos <= size()' failed.
egrep: warning: egrep is obsolescent; using grep -E

Version-Release number of selected component:
jigdo-0.8.1-4.fc38

Additional info:
reporter:       libreport-2.17.10
type:           CCpp
reason:         jigdo-file killed by SIGABRT
journald_cursor: s=0845114de9fa4831a27fa36cd51da7fb;i=1b87a9;b=ca27cd4990824d9a8197aa7c7f97d868;m=735a0c3;t=5fef0e2b6c49c;x=f2c3410730832adb
executable:     /usr/bin/jigdo-file
cmdline:        /usr/bin/jigdo-file print-missing-all --image=debian-12.0.0-amd64-DVD-1.iso --jigdo=debian-12.0.0-amd64-DVD-1.jigdo.unpacked --template=debian-12.0.0-amd64-DVD-1.template --cache jigdo-file-cache.db --uri $'Debian=\'http://mirror.giantix-server.de/debian/\''
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-org.gnome.Terminal.slice/vte-spawn-049e6cc0-bcba-4a5b-b493-c29d28d02805.scope
rootdir:        /
uid:            1000
kernel:         6.3.8-200.fc38.x86_64
package:        jigdo-0.8.1-4.fc38
runlevel:       N 5
backtrace_rating: 4
crash_function: std::__glibcxx_assert_fail

Truncated backtrace:
Thread no. 1 (1 frames)
 #4 std::__glibcxx_assert_fail at ../../../../../libstdc++-v3/src/c++11/debug.cc:61


Potential duplicate: bug 2133422