CVE Database›CVE-2022-1160

CVE-2022-1160

vim: heap buffer overflow in get_one_sourceline

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Severity

Moderate

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · March 28, 2022

Updated · November 22, 2025

Description

A heap buffer overflow flaw was found in vim's get_one_sourceline() function of scriptfile.c file. This flaw occurs when "source" can read past the end of the copied line. This flaw allows an attacker to trick a user into opening a crafted file, triggering a heap-overflow and causing an application to crash, which leads to a denial of service.

Statement

Red Hat Enterprise Linux - 6, 7, 8, 9 are not affected, because vulnerable code is not present in binary RPMs of Vim shipped with RHEL.

Red Hat Enterprise Virtualization 4 consumes RHEL-8 vim, and as RHEL 8 is not affected, Hence, RHEV is also not affected.

Red Hat Product Security has rated this issue as having a Moderate security impact. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/

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-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')