getnetbyaddr and getnetbyaddr_r leak stack contents to DNS resovler

The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the name service cache daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fix(es): * glibc: Integer overflow in memalign leads to heap corruption (CVE-2026-0861) * glibc: glibc: Information disclosure via zero-valued network query (CVE-2026-0915) * glibc: wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory (CVE-2025-15281) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed