CVE-2026-55693

A flaw was found in Vim, an open-source command-line text editor. A remote attacker could exploit this vulnerability by tricking a user into loading a specially crafted spell file. When the user invokes spell suggestion, the editor attempts to process the malicious file, leading to an out-of-bounds write that corrupts memory and causes the application to crash, resulting in a denial of service.

This Moderate impact vulnerability in Vim's spell suggestion feature allows an attacker to cause a denial of service. By tricking a user into loading a specially crafted spell file and invoking spell suggestion, an out-of-bounds write can occur, leading to a crash of the editor. This requires user interaction and a malicious file, limiting its immediate exploitability.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.