CVE-2026-28422— Vim has stack-buffer-overflow in build_stl_str_hl()
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I. Basic Information for CVE-2026-28422
Vulnerability Information
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Vulnerability Title
Vim has stack-buffer-overflow in build_stl_str_hl()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是Vim开源的一款跨平台的文本编辑器。 Vim 9.2.0078之前版本存在安全漏洞，该漏洞源于在非常宽的终端上使用多字节填充字符渲染状态行时，build_stl_str_hl函数发生栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-28422
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Same Patch Batch · vim · 2026-02-27 · 6 CVEs total
| CVE-2026-28421 | 5.3 MEDIUM | Vim has a heap-buffer-overflow and a segmentation fault |
| CVE-2026-28419 | 5.3 MEDIUM | Vim has Heap-based Buffer Underflow in Emacs tags parsing |
| CVE-2026-28420 | 4.4 MEDIUM | Vim has Heap-based Buffer Overflow and OOB Read in :terminal |
| CVE-2026-28418 | 4.4 MEDIUM | Vim has Heap-based Buffer Overflow in Emacs tags parsing |
| CVE-2026-28417 | 4.4 MEDIUM | Vim has OS Command Injection in netrw |
IV. Related Vulnerabilities
Same product: vim
- CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading - CVE-2026-44656
Vim: OS Command Injection via 'path' completion - CVE-2026-42307
Vim: OS Command Injection in netrw - CVE-2026-41411
Vim: Command injection via backtick expansion in tag filenam - CVE-2026-39881
Vim Ex command injection in Vims NetBeans integration
Same vendor: vim
- CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading - CVE-2026-44656
Vim: OS Command Injection via 'path' completion - CVE-2026-42307
Vim: OS Command Injection in netrw - CVE-2026-41411
Vim: Command injection via backtick expansion in tag filenam - CVE-2026-39881
Vim Ex command injection in Vims NetBeans integration
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2026-28422
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