CVE-2026-28421

high

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.

References

https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p

https://github.com/vim/vim/releases/tag/v9.2.0077

https://github.com/vim/vim/commit/65c1a143c331c886dc28

http://www.openwall.com/lists/oss-security/2026/02/27/10

Details

Source: Mitre, NVD

Published: 2026-02-27

Updated: 2026-03-04

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00006