CVE-2021-4173

vim: use-after-free with nested :def function

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Severity

Low

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · December 27, 2021

Updated · November 3, 2026

Description

A flaw was found in vim. A possible use after free vulnerability could allow an attacker to input a specially crafted file leading to a crash or code execution.

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

No mitigation is specified in collected source.

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