CVE-2026-4437 | GNU C Library up to 2.43 nsswitch.conf gethostbyaddr_r out-of-bounds (EUVD-2026-13796 / Nessus ID 303238)
A vulnerability labeled as problematic has been found in GNU C Library up to 2.43. Affected by this vulnerability is the function gethostbyaddr_r of the file nsswitch.conf. The manipulation results in out-of-bounds read.
This vulnerability is known as CVE-2026-4437. It is possible to launch the attack remotely. No exploit is available.