CVE-2021-3928
vim: stack-based buffer overflow in spell_iswordp() in spell.c
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 29, 2021
Updated · October 9, 2026
Description
A flaw was found in vim. A possible stack-based buffer overflow could allow an attacker to input a specially crafted file leading to a crash or code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as 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 · 7.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer