Double free in Vim - CVE-2025-55158
Published: August 11, 2025 / Updated: September 25, 2025
Vulnerability identifier: #VU113786
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-55158
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Vim.org
Affected software:
Vim
Vim
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the clear_tv() function when processing handle_import / ex_import code paths. A remote attacker can trick the victim into opening a specially crafted file, trigger a double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-55158
Install updates from vendor's website.