TI-2026-22696 Aliases CVE-2026-28422

Vim has stack-buffer-overflow in build_stl_str_hl()

LOW 11CWE-121Published 2026-02-27 · Updated 2026-03-02

Key facts

Attack vector: Local
Privileges required: Low
User interaction: Required
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · Low · None
Fix status: Partial Red Hat: 7 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00165 5th percentileScored 2026-11-07

Fix Partial vim (vim): 9.2.0078Red Hat: 7 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
vim	vim	before 9.2.0078	9.2.0078	Patch available	CNA

vim Vendorvim Affected before 9.2.0078 Fixed in 9.2.0078 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:vim:vim::::::::	before 9.2.0078	Vulnerable	vim

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:* Versions before 9.2.0078 Vulnerable ·vim

Remediation

Fix · CNA vim (vim) Fixed in 9.2.0078

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 10	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 6	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 7	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 8	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)	Affected	—
Red Hat OpenShift Container Platform 4	Affected	No fix yet: Fix deferred

Timeline

2026-10-02 Threatist record created from CVE-2026-28422
2026-11-06 Affected versions changed · Red Hat

References

Patch 3

Other 1

https://github.com/vim/vim/releases/tag/v9.2.0078

TI-2022-03248 Heap-based Buffer Overflow in vim/vim CVSS 3.1CRITICAL 9.8
TI-2024-15103 Vim before 9.0.2142 has a stack-based buffer overflow because did_set_langmap in map.c… CVSS 3.1HIGH 7.8
TI-2023-05093 Use After Free in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04407 Heap-based Buffer Overflow in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04379 Heap-based Buffer Overflow in vim/vim CVSS 3.1HIGH 7.8
TI-2023-04378 Use After Free in vim/vim CVSS 3.1HIGH 7.8

See all 258 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences