RHEL 10 : vim (RHSA-2026:55431)

high Nessus Plugin ID 335923

Synopsis

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

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55431 advisory.

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

Security Fix(es):

* vim: Vim: Arbitrary Code Execution via crafted directory names (CVE-2026-47162)

* vim: Vim: Arbitrary code execution via Python omni-completion (CVE-2026-52858)

* vim: Vim: Arbitrary code execution via crafted step-definition patterns (CVE-2026-47167)

* vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo() (CVE-2026-57455)

* vim: Vim: Arbitrary code execution via malicious docstrings in Python omni-completion (CVE-2026-57456)

* vim: Vim: Out-of-bounds Write in Spell File Word Count (CVE-2026-55693)

* vim: Vim: Arbitrary code execution via crafted PHP file in omni-completion (CVE-2026-59856)

* vim: Vim: Arbitrary command execution via crafted tags file in C omni-completion (CVE-2026-59858)

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-2026:55431.

See Also

https://access.redhat.com/errata/RHSA-2026:55431

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

https://bugzilla.redhat.com/show_bug.cgi?id=2487964

https://bugzilla.redhat.com/show_bug.cgi?id=2492968

https://bugzilla.redhat.com/show_bug.cgi?id=2492972

https://bugzilla.redhat.com/show_bug.cgi?id=2492980

https://bugzilla.redhat.com/show_bug.cgi?id=2498867

https://bugzilla.redhat.com/show_bug.cgi?id=2498868

http://www.nessus.org/u?fc3a784f

Plugin Details

Severity: High

ID: 335923

File Name: redhat-RHSA-2026-55431.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/17/2026

Updated: 8/17/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-47162

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/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

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-59858

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux_eus:10.0, p-cpe:/a:redhat:enterprise_linux:vim-common, p-cpe:/a:redhat:enterprise_linux:vim-enhanced, p-cpe:/a:redhat:enterprise_linux:vim-x11, p-cpe:/a:redhat:enterprise_linux:vim

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: 8/17/2026

Vulnerability Publication Date: 6/11/2026

Reference Information

CVE: CVE-2026-47162, CVE-2026-47167, CVE-2026-52858, CVE-2026-55693, CVE-2026-57455, CVE-2026-57456, CVE-2026-59856, CVE-2026-59858

CWE: 120, 140, 787, 94

RHSA: 2026:55431