CVE-2026-28421
Medium
Description
Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version 9.2.0077 fixes the issue.
SeverityMedium
CVSS5.3
Exploit probability—
ProductVim
PublishedFeb 27, 2026
First seenFeb 27, 2026
Weakness typeCWE-20Improper input validationCWE-122CWE-122
How to fix
Update
- vim vim9.2.0077 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vim vim | v < 9.2.0077 | 9.2.0077 |
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