CVE-2026-4438 gethostbyaddr and gethostbyaddr_r return invalid DNS hostnames

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification...

CLSA-2024-1719920294 glibc: Fix of 2 CVEs

Fix a memory leak in converthostenttogaihaddrtuple function with AIALL - CVE-2023-4806: fix memory access issue in getaddrinfo function by implementing nssgethostbyname3r hook - CVE-2023-4813: fix memory leakage in gaihinet function to prevent application crash when getaddrinfo function is called...