CVE-2026-28421

HIGH 7.8CVE-2026-28421 · Published 27/02/2026 · updated 17/06/2026

In short

CVE-2026-28421 is a HIGH (CVSS 7.8) vulnerability affecting vim (vim).
Chance of exploitation in the next 30 days (EPSS): 0.21%, higher than 10.7% of all vulnerabilities.
Fix: update to 9.2.0077 or later.

Package	Affected versions	Patched versions
vim vim	`< 9.2.0077`	`9.2.0077`

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

vim/vim commit 65c1a14 · Patch
vim/vim release v9.2.0077 · Product
vim/vim security advisory · Patch
openwall.com/lists/oss-security/2026/02/27/10 · Mailing List

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Package

Affected versions

Patched versions

vim

< 9.2.0077

9.2.0077

Description

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