CVE-2022-4141
vim: invalid memory access in substitute with function
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 25, 2022
Updated · June 26, 2026
Description
A heap-based buffer overflow vulnerability was found in Vim due to invalid memory access. This issue could allow an attacker to trick a user into opening a specially crafted file, triggering an out-of-bounds write that causes an application to crash, possibly executing code and corrupting memory.
Statement
Red Hat Product Security has rated this issue as having a Low security impact, because the "victim" has to run an untrusted file in script mode.
For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/ and Red Hat Enterprise Linux Life Cycle & Updates Policy: https://access.redhat.com/support/policy/updates/errata/.
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 · 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write