glibc

Description:GNU libc C library
License: LGPL-2
Homepage:https://www.gnu.org/software/libc/
Location:Portage
Legend:
  • + - stable
  • ~ - unstable
  • M - hardmask
alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86
9999 diff - - - - - - - - - - - - -
2.26-r3 diff ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2.25-r9 diff + + + + + ~ ~ + + ~ ~ + +
2.24-r4 diff ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2.23-r4 diff + + + + + ~ ~ + + ~ ~ + +
2.22-r4 diff + + + + + + ~ + + + + + +
2.21-r2 diff + + + + + + ~ + + + + + +
2.20-r2 diff + + + - + + ~ + + + + + +
2.19-r1 diff + + + + + + ~ + + + + + +
2.18-r1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

USE flags

  • audit - Enable support for Linux audit subsystem using sys-process/audit
  • build - !!internal use only!! DO NOT SET THIS FLAG YOURSELF!, used for creating build images and the first half of bootstrapping [make stage1]
  • caps - Use Linux capabilities library to control privilege
  • compile-locales - build *all* locales in src_install; this is generally meant for stage building only as it ignores /etc/locale.gen file and can be pretty slow
  • crosscompile_opts_headers-only - Build the toolchain against cross-headers only.
  • debug - When USE=hardened, allow fortify/stack violations to dump core (SIGABRT) and not kill self (SIGKILL)
  • gd - build memusage and memusagestat tools
  • hardened - Activate default security enhancements for toolchain (gcc, glibc, binutils)
  • multilib - On 64bit systems, if you want to be able to compile 32bit and 64bit binaries
  • nls - Add Native Language Support (using gettext - GNU locale utilities)
  • nptl - Enable support for Native POSIX Threads Library, the new threading module (requires linux-2.6 or better usually)
  • nscd - Build, and enable support for, the Name Service Cache Daemon
  • profile - Add support for software performance analysis (will likely vary from ebuild to ebuild)
  • rpc - Enable obsolete RPC/NIS layers (disabling is experimental -- see bug 381391)
  • selinux - !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
  • suid - Make internal pt_chown helper setuid -- not needed if using Linux and have /dev/pts mounted with gid=5
  • systemtap - enable systemtap static probe points
  • vanilla - Do not add extra patches which change default behaviour; DO NOT USE THIS ON A GLOBAL SCALE as the severity of the meaning changes drastically

Security Advisory

Date Severity Title
6 months high GNU C Library: Multiple vulnerabilities
10 months normal GNU C Library: Multiple vulnerabilities
almost 2 years high GNU C Library: Multiple vulnerabilities
almost 3 years normal GNU C Library: Multiple vulnerabilities
about 4 years high GNU C Library: Multiple vulnerabilities
about 7 years high GNU C library: Multiple vulnerabilities
over 10 years normal GNU C Library: Integer overflow
about 13 years normal glibc: Insecure tempfile handling in catchsegv script
over 13 years low glibc: Information leak with LD_DEBUG
over 13 years low glibc: Information leak with LD_DEBUG
over 13 years low glibc: Information leak with LD_DEBUG
over 13 years low glibc: Information leak with LD_DEBUG
over 13 years low glibc: Information leak with LD_DEBUG
about 14 years normal glibc: getgrouplist buffer overflow vulnerability

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