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CVE-2026-57452— Vim: Out-of-bounds Read with libsodium-encrypted Files

Quick assessment

Affected
vim 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组织开源的一款跨平台的文本编辑器。 Vim 9.2.0671之前版本存在安全漏洞，该漏洞源于文件处理时无符号长度计算下溢，解密时读取超出缓冲区末尾，导致Vim崩溃。

CVSS 5.5 · Medium EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
vim vim < 9.2.0671 affected
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I. Basic Information for CVE-2026-57452

Vulnerability Information
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Vulnerability Title
Vim: Out-of-bounds Read with libsodium-encrypted Files
Source: CVE Program / CVE List V5
Vulnerability Description
Vim is an open source, command line text editor. Prior to 9.2.0671, when Vim opens a file encrypted with the VimCrypt~04! or VimCrypt~05! method (xchacha20poly1305, requires the +sodium feature) whose body is shorter than a single libsodium secretstream header, an unsigned length calculation underflows and a subsequent decryption call reads far past the end of the input buffer, crashing Vim. This vulnerability is fixed in 9.2.0671.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
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组织开源的一款跨平台的文本编辑器。 Vim 9.2.0671之前版本存在安全漏洞，该漏洞源于文件处理时无符号长度计算下溢，解密时读取超出缓冲区末尾，导致Vim崩溃。
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 vim < 9.2.0671 -

II. Public POCs for CVE-2026-57452

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III. Intelligence Information for CVE-2026-57452

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Patches & Fixes for CVE-2026-57452 (2)

Vendor Advisories for CVE-2026-57452 (1)

Same Patch Batch · vim · 2026-06-25 · 9 CVEs total

CVE-2026-57453 6.5 MEDIUM Vim: PowerShell Command Injection via Unescaped Filename in zip.vim Extraction
CVE-2026-55892 5.5 MEDIUM Vim: Out-of-bounds Write in Spell File Prefix Dump
CVE-2026-57451 5.3 MEDIUM Vim: Out-of-bounds Read in Text Property Count
CVE-2026-57456 Vim: Arbitrary Code Execution via Python Omni-Completion Docstrings
CVE-2026-57455 Vim: Stack out-of-bounds write in `spell_soundfold_sofo()` via an over-length `soundfold()
CVE-2026-57454 Vim: Out-of-bounds Read with Text Properties
CVE-2026-55895 Vim: Vimscript Code Injection in netrw NetrwLocalRmFile() via crafted filename
CVE-2026-55693 Vim: Out-of-bounds Write in Spell File Word Count

IV. Related Vulnerabilities

Same product: vim
Same vendor: vim
Same weakness: CWE-125

V. Comments for CVE-2026-57452

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