CVE-2022-1886

A heap buffer overflow flaw was found in Vim's utf_head_off() function in the mbyte.c file. This flaw allows an attacker to trick a user into opening a specially crafted file, triggering a heap buffer overflow that causes an application to crash, leading to a denial of service and possibly some amount of memory leak.

The versions of Vim shipped with Red Hat Enterprise Linux are not affected, because there is no presence of vulnerable code in our code-base.

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/.

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.