CVE-2026-28421

HIGH EPSS 7.4%
Published Feb 27, 20264mo ago · Modified Mar 4, 20263mo ago
7.8 CVSS 3.1
High
Find Similar
Published Feb 27, 2026 4mo ago
Last Modified Mar 4, 2026 3mo ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
7.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-122
CWE-20 Improper Input Validation Validation

Affected Products 1

VendorProductVersionRange
vimvim* <9.2.0077

References 4

  • openwall.com http://www.openwall.com/lists/oss-security/2026/02/27/10
    Mailing ListPatchThird Party Advisory
  • github.com https://github.com/vim/vim/commit/65c1a143c331c886dc28
    Patch
  • github.com https://github.com/vim/vim/releases/tag/v9.2.0077
    Product
  • github.com https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p
    PatchVendor Advisory

Remediation

  • openwall.com http://www.openwall.com/lists/oss-security/2026/02/27/10
    Mailing ListPatchThird Party Advisory
  • github.com https://github.com/vim/vim/commit/65c1a143c331c886dc28
    Patch
  • github.com https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p
    PatchVendor Advisory