CVE-2026-28421
7.8
HIGH
CVSS 3.1
EPSS 0.01%
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.
How to fix CVE-2026-28421
To remediate CVE-2026-28421, upgrade the affected package to a fixed version below.
- Alpine/vim—upgrade to 9.2.0078-r0 or later
- —no fix listed
Is CVE-2026-28421 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 9.2.0078-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |