PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›CVE-2021-3984

CVE-2021-3984

vim: illegal memory access in find_start_brace() in cindent.c when C-indenting

Loading…

Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · November 18, 2021

Updated · July 3, 2026

Description

A flaw was found in vim. A possible heap-based buffer overflow allows an attacker to input a specially crafted file, leading to a crash or code execution. The highest threat from this vulnerability is confidentiality, integrity, and 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

Do not run untrusted vim scripts with -s {scriptin} as it is never safe to do so.

CVSS / CWE

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

CWE-122 · Heap-based Buffer Overflow