CVE-2026-6238 | GNU C Library up to 2.33 DNS Response ns_printrrf/ns_printrr/fp_nquery buffer over-read

A vulnerability classified as problematic has been found in GNU C Library up to 2.33. This impacts the function ns_printrrf/ns_printrr/fp_nquery of the component DNS Response Handler. This manipulation causes buffer over-read.

This vulnerability is registered as CVE-2026-6238. Remote exploitation of the attack is possible. No exploit is available.

It is recommended to upgrade the affected component.