CVE-2026-25749 | Vim up to 9.1.2131 src/tag.c get_tagfname helpfile heap-based overflow (GHSA-5w93-4g67-mm43 / Nessus ID 298305)
A vulnerability classified as critical has been found in Vim up to 9.1.2131. This affects the function get_tagfname of the file src/tag.c. The manipulation of the argument helpfile leads to heap-based buffer overflow.
This vulnerability is traded as CVE-2026-25749. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.