CVE-2026-28420
Published: March 2, 2026Last modified: March 3, 2026
Description
Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.4 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | LOW |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | vim | Fixed (9.2.0078-r0) |
| 25 LTS | vim | Fixed (9.2.0078-r0) | |
| Stream | vim | Fixed (9.2.0078-r0) |