Detections
Analytics

RHEL 9 : vim (RHSA-2026:6539)

high Nessus Plugin ID 304793

Synopsis

The remote Red Hat host is missing one or more security updates for vim.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6539 advisory.

 Vim (Vi IMproved) is an updated and improved version of the vi editor.

 Security Fix(es):

 * vim: Vim: Arbitrary code execution via 'helpfile' option processing (CVE-2026-25749)

 * vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin (CVE-2026-28417)

 * vim: Vim: Denial of service and information disclosure via crafted swap file (CVE-2026-28421)

 * vim: Vim: Arbitrary code execution via command injection in glob() function (CVE-2026-33412)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL vim package based on the guidance in RHSA-2026:6539.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2437843

https://bugzilla.redhat.com/show_bug.cgi?id=2443455

https://bugzilla.redhat.com/show_bug.cgi?id=2443474

https://bugzilla.redhat.com/show_bug.cgi?id=2450907

http://www.nessus.org/u?b52530d6

https://access.redhat.com/errata/RHSA-2026:6539

Plugin Details

Severity: High

ID: 304793

File Name: redhat-RHSA-2026-6539.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 4/3/2026

Updated: 4/3/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2026-28421

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:vim-x11, p-cpe:/a:redhat:enterprise_linux:vim-common, p-cpe:/a:redhat:enterprise_linux:vim-enhanced, p-cpe:/a:redhat:enterprise_linux:vim-minimal, p-cpe:/a:redhat:enterprise_linux:vim-filesystem, p-cpe:/a:redhat:enterprise_linux:vim, cpe:/o:redhat:rhel_eus:9.6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/2/2026

Vulnerability Publication Date: 2/6/2026

Reference Information

CVE: CVE-2026-25749, CVE-2026-28417, CVE-2026-28421, CVE-2026-33412

CWE: 120, 78

RHSA: 2026:6539