CVE-2026-4438 | GNU C Library up to 2.43 nsswitch.conf gethostbyaddr/gethostbyaddr_r input validation (EUVD-2026-13798)
A vulnerability marked as problematic has been reported in GNU C Library up to 2.43. Affected by this issue is the function gethostbyaddr/gethostbyaddr_r of the file nsswitch.conf. This manipulation causes improper input validation.
This vulnerability is handled as CVE-2026-4438. The attack can be initiated remotely. There is not any exploit available.