CVE-2026-57452

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f	Patch
https://github.com/vim/vim/releases/tag/v9.2.0671	Product
https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

History

26 Jun 2026, 04:12

Type	Values Removed	Values Added
References	~~() https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f -~~	() https://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f - Patch
References	~~() https://github.com/vim/vim/releases/tag/v9.2.0671 -~~	() https://github.com/vim/vim/releases/tag/v9.2.0671 - Product
References	~~() https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486 -~~	() https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486 - Vendor Advisory
First Time		Vim vim Vim
CPE		cpe:2.3:a:vim:vim::::::::

25 Jun 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-25 16:16

Updated : 2026-06-26 04:12

NVD link : CVE-2026-57452

Mitre link : CVE-2026-57452

CVE.ORG link : CVE-2026-57452

JSON object : View

Products Affected

vim

vim

CWE

CWE-125

Out-of-bounds Read

CWE-191

Integer Underflow (Wrap or Wraparound)

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