Maintainers for libc-bin are GNU Libc Maintainers <debian-glibc@lists.debian.org>.
You may want to refer to the following packages that are part of the same source: glibc-doc, glibc-source, libc-dev-bin, libc-devtools, libc-l10n, libc6, libc6-amd64, libc6-dbg, libc6-dev, libc6-dev-amd64, libc6-dev-i386, libc6-dev-mips32, libc6-dev-mips64, libc6-dev-mipsn32, libc6-dev-s390, libc6-dev-x32, libc6-i386, libc6-mips32, libc6-mips64, libc6-mipsn32, libc6-pic, libc6-s390, libc6-x32, libc6-xen, locales, locales-all, multiarch-support, nscd.
You might like to refer to the libc-bin package page, to the Package Tracking System, or to the source package src:glibc's bug page.
If you find a bug not listed here, please report it.