CVE-2022-1897
vim: out-of-bounds write in vim_regsub_both() in regexp.c
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 25, 2022
Updated · November 21, 2025
Description
A flaw was found in vim. The vulnerability occurs due to Illegal memory access and leads to an out-of-bounds write vulnerability in the vim_regsub_both 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 · 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 · Out-of-bounds Write