CVE-2025-9389— vim memmove-vec-unaligned-erms.S __memmove_avx_unaligned_erms memory corruption
Quick assessment
Affected
n/a vim
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Vim是Vim开源的一款跨平台的文本编辑器。 Vim 9.1.0000版本存在缓冲区错误漏洞，该漏洞源于memmove-vec-unaligned-erms.S文件中的__memmove_avx_unaligned_erms函数操作导致内存损坏。
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I. Basic Information for CVE-2025-9389
Vulnerability Information
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Vulnerability Title
vim memmove-vec-unaligned-erms.S __memmove_avx_unaligned_erms memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in vim 9.1.0000. Affected is the function __memmove_avx_unaligned_erms of the file memmove-vec-unaligned-erms.S. The manipulation leads to memory corruption. The attack needs to be performed locally. The exploit is publicly available and might be used. Some users are not able to reproduce this. One of the users mentions that this appears not to be working, "when coloring is turned on".
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Vim 缓冲区错误漏洞
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 9.1.0000版本存在缓冲区错误漏洞，该漏洞源于memmove-vec-unaligned-erms.S文件中的__memmove_avx_unaligned_erms函数操作导致内存损坏。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | vim | 9.1.0000 | - |
|
II. Public POCs for CVE-2025-9389
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-08-24 · 4 CVEs total
| CVE-2025-9394 | 5.3 MEDIUM | PoDoFo PDF Dictionary PdfTokenizer.cpp DetermineDataType use after free |
| CVE-2025-9390 | 5.3 MEDIUM | vim xxd xxd.c main buffer overflow |
| CVE-2025-9388 | 3.5 LOW | Scada-LTS watch_list.shtm cross site scripting |
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V. Comments for CVE-2025-9389
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