CVE-2026-28420

high

EUVD alias: EUVD-2026-9088

Published 2026-09-10 · Modified 2026-09-10

Discuss on Community Propose mitigation

CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

8.0

Description

Important: vim security update

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Red Hat Errata — Red Hat Inc. · View original ↗ · Open-Errata-API

Description vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator Red Hat statement Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. CVSS v3: 4.4…

Workaround

for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Description

vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator

Red Hat statement

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS v3: 4.4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L)

Errata / fixed releases

Product	Package	Advisory	Released
Red Hat Enterprise Linux 10	`vim-2:9.1.083-9.el10_2.20`	RHSA-2026:66336	2026-09-10T00:00:00Z

Package state

Product	Package	State
Red Hat Enterprise Linux 6	`vim`	Fix deferred
Red Hat Enterprise Linux 7	`vim`	Fix deferred
Red Hat Enterprise Linux 8	`vim`	Fix deferred
Red Hat Enterprise Linux 9	`vim`	Affected
Red Hat OpenShift Container Platform 4	`openshift/ose-rhel-coreos-8`	Fix deferred
Red Hat OpenShift Container Platform 4	`openshift/ose-rhel-coreos-9`	Fix deferred

Apply commands

bash fix

Apply RHSA-2026:66336 for Red Hat Enterprise Linux 10

yum update -y vim
# or:
dnf upgrade -y vim

Affected

Vendor	Product	Version
redhat	Red Hat Enterprise Linux 9	`Affected`

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Mixed 5 releases

Version	Status	Fixed in
trixie	Affected	—
sid	Fixed	`2:9.2.0119-1`
forky	Fixed	`2:9.2.0119-1`
bullseye	Affected	—
bookworm	Affected	—

AlmaLinux Fixed 1 release

Version	Status	Fixed in
8	Fixed	`vim-filesystem-8.0.1763-31.el8_10.7.noarch.rpm`

Alpine Fixed 2 releases

Version	Status	Fixed in
v3.24	Fixed	`9.2.0078-r0`
v3.23	Fixed	`9.2.0078-r0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.