CVE-2026-28420
Vim has Heap-based Buffer Overflow and OOB Read in :terminal
CVSS Score
4.4
EPSS Score
0.0%
EPSS Percentile
0th
Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.
| CWE | CWE-122 CWE-125 |
| Vendor | vim |
| Product | vim |
| Published | Feb 27, 2026 |
| Last Updated | Mar 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Affected Versions
vim / vim
< 9.2.0076