#VU95159 Use-after-free in Vim


Published: 2024-08-02

Vulnerability identifier: #VU95159

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-41957

CWE-ID: CWE-416

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 crash the application.

The vulnerability exists due to a use-after-free error within the tagstack_clear_entry() function. A remote attacker can trick the victim to open a specially crafted file with Vim using several non-default flags, trigger a use-after-free error and crash the editor.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: 9.1.0 - 9.1.0646


External links
http://github.com/vim/vim/security/advisories/GHSA-f9cr-gv85-hcr4
http://github.com/vim/vim/commit/8a0bbe7b8aad6f8da28dee218c01bc8a0185a


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.


Latest bulletins with this vulnerability