CVE-2022-1621— Heap buffer overflow in vim_strncpy find_word in vim/vim
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I. Basic Information for CVE-2022-1621
Vulnerability Information
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Vulnerability Title
Heap buffer overflow in vim_strncpy find_word in vim/vim
Source: NVD (National Vulnerability Database)
Vulnerability Description
Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vim 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vim是一款跨平台的文本编辑器。 Vim 8.2.4919之前版本存在安全漏洞，该漏洞源于vim_strncpy find_word堆缓冲区溢出，从而导致软件崩溃、绕过保护机制、修改内存以及远程执行。
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-2022-1621
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- https://security.gentoo.org/glsa/202305-16vendor-advisory
- https://security.gentoo.org/glsa/202208-32vendor-advisory
- http://seclists.org/fulldisclosure/2022/Oct/28mailing-list
- http://seclists.org/fulldisclosure/2022/Oct/41mailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2022-1621
IV. Related Vulnerabilities
Same vendor: vim
- CVE-2026-46483
Vim: Command injection in tar#Vimuntar via missing shellesca - 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
Same weakness: CWE-122
V. Comments for CVE-2022-1621
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