CVE-2025-55158— Vim double-free vulnerability during Vim9 script import operations
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I. Basic Information for CVE-2025-55158
Vulnerability Information
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Vulnerability Title
Vim double-free vulnerability during Vim9 script import operations
Source: NVD (National Vulnerability Database)
Vulnerability Description
Vim is an open source, command line text editor. In versions from 9.1.1231 to before 9.1.1406, when processing nested tuples during Vim9 script import operations, an error during evaluation can trigger a double-free in Vim’s internal typed value (typval_T) management. Specifically, the clear_tv() function may attempt to free memory that has already been deallocated, due to improper lifetime handling in the handle_import / ex_import code paths. The vulnerability can only be triggered if a user explicitly opens and executes a specially crafted Vim script. This issue has been patched in version 9.1.1406.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vim 资源管理错误漏洞
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 9.1.1231至9.1.1406之前版本存在资源管理错误漏洞，该漏洞源于处理嵌套元组时存在双重释放问题，可能导致内存损坏。
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-2025-55158
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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-415
- CVE-2026-23918
Apache HTTP Server: http2: double free and possible RCE on e - CVE-2026-5657
Double Free in Wireshark - CVE-2026-33824
Windows Internet Key Exchange (IKE) Service Extensions Remot - CVE-2026-32074
Windows Projected File System Elevation of Privilege Vulnera - CVE-2026-32069
Windows Projected File System Elevation of Privilege Vulnera
V. Comments for CVE-2025-55158
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