CVE-2026-28422CWE-121

Vim has stack-buffer-overflow in build_stl_str_hl()

Low · published February 27, 2026

CVSS v3.1
2.2
EPSS
0%
Percentile
3.3
In the wild
Unconfirmed
What it is

Vim is an open source, command line text editor. Prior to version 9.2.0078, a stack-buffer-overflow occurs in `build_stl_str_hl()` when rendering a statusline with a multi-byte fill character on a very wide terminal. Version 9.2.0078 patches the issue.

The record
Technical detail
CVSS v3.1
2.2 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00143 · 3.3th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-02-27T22:08Z
EPSS history
Timeline
  • 27 FEB 22:08Z
    Vim has stack-buffer-overflow in build_stl_str_hl()
    cvelistv5