Use-after-free in Vim - #VU139389
Published: July 27, 2026
Vulnerability identifier: #VU139389
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in JSON decoding. A local user can perform a denial of service (DoS) attack on the system.
Affected software
Vim
Remediation
Install updates from vendor's website.
Vim - update to 9.2.0844