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CVE-2026-28421

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published2/27/2026

Last Modified3/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

vim:vim

Weaknesses (CWE)

CWE-20CWE-122

References

https://github.com/vim/vim/commit/65c1a143c331c886dc28(security-advisories@github.com)

https://github.com/vim/vim/releases/tag/v9.2.0077(security-advisories@github.com)

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

http://www.openwall.com/lists/oss-security/2026/02/27/10(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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