#VU103117 Out-of-bounds write in Vim - CVE-2025-24014

Vulnerability identifier: #VU103117

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-24014

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Software for system administration

Vendor: Vim.org

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 9.1.0000 - 9.1.1042

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External links
https://github.com/vim/vim/commit/9d1bed5eccdbb46a26b8a484f5e9163c40e63919
https://github.com/vim/vim/security/advisories/GHSA-j3g9-wg22-v955
https://www.openwall.com/lists/oss-security/2025/01/20/4
https://www.openwall.com/lists/oss-security/2025/01/21/1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.