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Package "libc-dev-bin"

Name: libc-dev-bin

Description:

GNU C Library: Development binaries
Latest version: 2.43-2ubuntu2
Release: resolute (26.04)
Level: base
Repository: main
Head package: glibc
Homepage: https://www.gnu.org/software/libc/libc.html

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Changelog

Version: 2.43-2ubuntu2 2026-04-15 18:08:38 UTC

  glibc (2.43-2ubuntu2) resolute; urgency=medium

  * Merge from Debian experimental
    Delta dropped:
    - Fix broken ldconfig, static-pie binary on riscv64 (LP #2142067)
    - build: use date --rfc-email for Rust coreutils compat (LP #2122100)
  * Delta added:
    - fix ftbfs: backport conditional OPEN_TREE_* ifndef (LP: #2145679)
    - Revert "debian/rules.d/build.mk: add a makefile function to filter out
      dpkg build flags incompatible with glibc and define CFLAGS from dpkg
       build flags. Closes: #1129746."
  * import git-updates
    - nss: Introduce dedicated struct nss_database_for_fork type
    - Linux: In getlogin_r, use utmp fallback only for specific errors
    - nss: Missing checks in __nss_configure_lookup, __nss_database_get (bug 28940)
    - debug: Fix build with --enable-fortify-source=1 (BZ 33904)
    - Add BZ 33904 entry to NEWS
    - malloc: Avoid accessing /sys/kernel/mm files
    - tests: aarch64: fix makefile dependencies for dlopen tests for BTI
    - aarch64: Lock GCS status at startup
    - aarch64: Tests for locking GCS
    - posix: Run tst-wordexp-reuse-mem test
    - resolv: Count records correctly (CVE-2026-4437)
    - resolv: Check hostname for validity (CVE-2026-4438)
    - elf: parse /proc/self/maps as the last resort to find the gap for tst-link-map-contiguous-ldso
    - elf: Use dl-symbol-redir-ifunc.h instead _dl_strlen
    - riscv: Resolve calls to memcpy using memcpy-generic in early startup
    - tests: fix tst-rseq with Linux 7.0

 -- Simon Poirier <email address hidden> Tue, 31 Mar 2026 16:35:10 -0400
2142067 static-pie binaries crash on riscv64 with glibc 2.43 on resolute.
2122100 Rust coreutils `date` causes glibc to FTBFS
2145679 glibc 2.43 ftbfs
1129746 glibc is not built with -fstack-clash-protection (despite it being in dpkg-buildflags)
CVE-2026-4437 Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 t
CVE-2026-4438 Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 t


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