CVE Database›Document archive›CVE-2022-0261

CVE-2022-0261

vim: Heap-based buffer overflow in block_insert() in src/ops.c

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · January 18, 2022

Updated · November 21, 2025

Description

A heap based out-of-bounds write flaw was found in vim's ops.c. This flaw allows an attacker to trick a user to open a crafted file triggering an out-of-bounds write. This vulnerability is capable of crashing software, modify memory, and possible code execution.

Statement

Red Hat Enterprise Linux 6 and 7 are not affected because the vulnerable code is not present in our code base.

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-787 · Out-of-bounds Write