Linux Distros Unpatched Vulnerability : CVE-2026-28420

medium Nessus Plugin ID 300511

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue. (CVE-2026-28420)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Medium

ID: 300511

File Name: unpatched_CVE_2026_28420.nasl

Version: 1.1

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2026

Updated: 3/4/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P

CVSS Score Source: CVE-2026-28420

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 4.1

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:redhat:enterprise_linux:vim-enhanced, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:vim-x11, p-cpe:/a:redhat:enterprise_linux:xxd, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:centos:centos:vim-minimal, p-cpe:/a:debian:debian_linux:vim, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:vim, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:vim-filesystem, p-cpe:/a:redhat:enterprise_linux:vim-common, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:redhat:enterprise_linux:vim-minimal, p-cpe:/a:centos:centos:vim-enhanced, cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:vim-data, p-cpe:/a:redhat:enterprise_linux:vim-x11, p-cpe:/a:centos:centos:xxd, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:vim-common, p-cpe:/a:centos:centos:vim, p-cpe:/a:redhat:enterprise_linux:vim-filesystem, p-cpe:/a:redhat:enterprise_linux:vim-data

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/27/2026

Reference Information

CVE: CVE-2026-28420

Detections

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