CVE-2021-3872

An out-of-bounds write flaw was found in vim's drawscreen.c win_redr_status() function. This flaw allows an attacker to trick a user to open a crafted file with specific arguments in vim, triggering an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, and system availability.

This flaw is out of support scope for vim as shipped in Red Hat Enterprise Linux 6 and 7. For more comprehensive information about Red Hat Enterprise Linux support scope, please see https://access.redhat.com/support/policy/updates/errata/

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.

Since this flaw requires user interaction, mitigation is to not open files from untrusted sources using vim.