CVE Database›CVE-2022-2345

CVE-2022-2345

vim: use-after-free in skipwhite() in charset.c

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Severity

Low

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · July 5, 2022

Updated · October 9, 2026

Description

A use-after-free vulnerability was found in Vim in the skipwhite function in the charset.c file. This issue occurs because an already freed memory is used when a specially crafted input is processed. This flaw allows an attacker who can trick a user into opening a specially crafted file into triggering the use-after-free, and cause the application to crash, possibly executing code and corrupting memory.

Statement

Red Hat Product Security has rated this issue as having a Low security impact because the user has to run an untrusted file IN SCRIPT MODE. Someone who is running untrusted files in script mode is equivalent to someone just taking a random python script and running it.

For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/ and Red Hat Enterprise Linux Life Cycle & Updates Policy: https://access.redhat.com/support/policy/updates/errata/.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Do not run untrusted vim scripts as it's not recommended.

CVSS / CWE

CVSS 3.1 · 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 · Use After Free