CVE-2021-3796

vim: use-after-free in nv_replace() in normal.c

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Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · September 11, 2021

Updated · July 3, 2026

Description

A use-after-free vulnerability in vim could allow an attacker to input a specially crafted file leading to memory corruption and a potentially exploitable crash or code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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 · 7.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H

CWE-416 · Use After Free