Understanding CVE-2026-28421: A Critical Vulnerability in Vim The open-source text editor Vim has been identified with a significant security flaw, known as CVE-2026-28421. This vulnerability primarily affects versions prior to 9.2.0077. If unaddressed, it can potentially lead to severe impacts on server security. What is CVE-2026-28421? CVE-2026-28421 is a heap-buffer-overflow issue that can trigger a […]













