Vim: Out-of-bounds Read with libsodium-encrypted Files_CVE-2026-57452

5.5 / 10

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Basic Information

ID CVE-2026-57452

Source GitHub_M

Published Jun 25, 2026 at 15:27

Affected Product

Vendor vim

Product vim

Version < 9.2.0671

Affected Versions vim vim < 9.2.0671

CWE Classification

CWE-125 CWE-191

References

{
    "lastseen": "",
    "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!\nmethod (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.",
    "published": "2026-06-25T15:27:50.147Z",
    "modified": "2026-06-25T15:27:50.147Z",
    "type": "cve",
    "title": "Vim: Out-of-bounds Read with libsodium-encrypted Files",
    "source": "GitHub_M",
    "references": "https://github.com/vim/vim/security/advisories/GHSA-c4j9-wr9j-4486\nhttps://github.com/vim/vim/commit/c8777cec25dcfae89c42e9aff51af61f71c5745f\nhttps://github.com/vim/vim/releases/tag/v9.2.0671",
    "id": "CVE-2026-57452",
    "bulletinFamily": "",
    "cwe": [
        "CWE-125",
        "CWE-191"
    ],
    "cvelist": null,
    "sourceData": "vim vim < 9.2.0671",
    "sourceHref": "",
    "cvss": {
        "score": 5.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "vim",
    "version": "< 9.2.0671",
    "vendor": "vim",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}