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AlmaLinux 8 : vim (ALSA-2026:66348)

high Nessus Plugin ID 344608

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:66348 advisory.

 * vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator (CVE-2026-28420)
 * vim: Vim: Denial of Service via out-of-bounds write in terminal handling (CVE-2026-52859)
 * vim: Vim: Denial of Service via crafted spell file (CVE-2026-55892)
 * vim: Vim: Denial of Service via out-of-bounds write in spell sound-folding (CVE-2026-59857)
 * vim: Vim: Arbitrary command execution via crafted vimball (CVE-2026-73076)
 * vim: Vim: Heap buffer overflow allows arbitrary code execution (CVE-2026-73072)
 * vim: Vim: Arbitrary Code Execution via Crafted Netrw Menu Entries (CVE-2026-73078)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:66348

https://errata.almalinux.org/8/ALSA-2026-66348.html

Plugin Details

Severity: High

ID: 344608

File Name: alma_linux_ALSA-2026-66348.nasl

Version: 1.1

Type: Local

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.37

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-52859

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

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

CVSS v4

Risk Factor: High

Base Score: 8.6

Threat Score: 7.3

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-73078

Vulnerability Information

CPE: cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:vim-common, p-cpe:/a:alma:linux:vim-enhanced, p-cpe:/a:alma:linux:vim-filesystem, p-cpe:/a:alma:linux:vim-minimal, p-cpe:/a:alma:linux:vim-x11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/10/2026

Vulnerability Publication Date: 2/27/2026

Reference Information

CVE: CVE-2026-28420, CVE-2026-52859, CVE-2026-55892, CVE-2026-59857, CVE-2026-73072, CVE-2026-73076, CVE-2026-73078

CWE: 125, 77, 78, 787

RHSA: 2026:66348