CVE-2022-4293
vim: floating point exception in num_divide() in src/eval.c
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 2, 2022
Updated · June 26, 2026
Description
A floating point exception flaw was found in Vim's num_divide() function of the eval.c file. This issue occurs when dividing the largest negative number by -1. This could allow an attacker to trick a user into opening a specially crafted file, triggering an application to crash and leading to a denial of service.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-369 · Divide By Zero