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CVE-2022-1851

vim: out-of-bounds read in gchar_cursor() in misc1.c

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · May 23, 2022

Updated · November 22, 2025

Description

A flaw was found in vim. The vulnerability occurs due to Illegal memory access and leads to an out-of-bounds read vulnerability in the gchar_cursor function. This flaw allows 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

Untrusted vim scripts with -s [scriptin] are not recommended to run.

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-125 · Out-of-bounds Read