Package: apt Version: 2.9.17 Severity: normal $ apt show : /usr/include/c++/14/bits/basic_string.h:1269: 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. Aborted (core dumped) $
It looks OK in bookworm: $ apt show : N: Unable to locate package : N: Unable to locate package : E: No packages found $ Backtrace: #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at ./nptl/pthread_kill.c:44 #1 0x00007ffff769dcef in __pthread_kill_internal (threadid=<optimized out>, signo=6) at ./nptl/pthread_kill.c:78 #2 0x00007ffff7649c42 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #3 0x00007ffff76324f0 in __GI_abort () at ./stdlib/abort.c:79 #4 0x00007ffff78d4f9e in std::__glibcxx_assert_fail(char const*, int, char const*, char const*) () from /lib/x86_64-linux-gnu/libstdc++.so.6 #5 0x00007ffff7cf918d in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[] (this=0x7fffffffd630, __pos=<optimized out>) at /usr/include/c++/14/bits/basic_string.h:1265 #6 std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[] (this=0x7fffffffd630, __pos=<optimized out>) at /usr/include/c++/14/bits/basic_string.h:1265 #7 APT::CacheSetHelper::PackageFromTask (this=this@entry=0x7fffffffdc90, pci=pci@entry=0x7fffffffd800, Cache=..., pattern="") at ./apt-pkg/cacheset.cc:63 #8 0x00007ffff7cfae01 in APT::CacheSetHelper::PackageFrom (this=0x7fffffffdc90, select=<optimized out>, pci=0x7fffffffd800, Cache=..., pattern=...) at /usr/include/c++/14/bits/basic_string.tcc:242 #9 0x00007ffff7cfab61 in APT::CacheSetHelper::PackageFromString (this=this@entry=0x7fffffffdc90, pci=pci@entry=0x7fffffffd800, Cache=..., str=":") at ./apt-pkg/cacheset.cc:326 #10 0x00007ffff7cfb55b in APT::CacheSetHelper::PackageFrom (this=0x7fffffffdc90, select=APT::CacheSetHelper::STRING, pci=0x7fffffffd800, Cache=..., pattern=...) at ./apt-pkg/cacheset.cc:48 #11 APT::VersionContainerInterface::FromString (vci=vci@entry=0x7fffffffdbc0, Cache=..., pkg=":", fallback=fallback@entry=APT::CacheSetHelper::CANDIDATE, helper=..., onlyFromName=onlyFromName@entry=false) at ./apt-pkg/cacheset.cc:462 #12 0x00007ffff7f3a8af in ShowPackage (CmdL=...) at /usr/include/c++/14/bits/basic_string.tcc:242 #13 0x00007ffff7d1017f in CommandLine::DispatchArg (this=this@entry=0x7fffffffe350, Map=<optimized out>, NoMatch=NoMatch@entry=true) at ./apt-pkg/contrib/cmndline.cc:373 #14 0x00007ffff7efbd44 in DispatchCommandLine (CmdL=..., Cmds=std::vector of length 33, capacity 64 = {...}) at ./apt-private/private-cmndline.cc:614 #15 0x00005555555562a1 in main (argc=3, argv=0x7fffffffe4d8) at ./cmdline/apt.cc:123