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RHEL 9 : vim (RHSA-2026:47982)

high Nessus Plugin ID 330849

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-2026:47982 advisory.

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

 Security Fix(es):

 * 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-2026:47982.

See Also

https://access.redhat.com/errata/RHSA-2026:47982

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

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?948f04c1

Plugin Details

Severity: High

ID: 330849

File Name: redhat-RHSA-2026-47982.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/30/2026

Updated: 7/30/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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: 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-2026-59858

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, cpe:/o:redhat:rhel_eus:9.8, 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: 7/29/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-55693, CVE-2026-57455, CVE-2026-57456, CVE-2026-59856, CVE-2026-59858

CWE: 787, 94

RHSA: 2026:47982