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Rocky Linux 9.6 [TuxCare] Security Update: emacs / emacs-common / emacs-devel / emacs-filesystem / emacs-lucid / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1792623317)

high Nessus Plugin ID 370237

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Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1792623317 advisory.

 - GNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp- user-regexp has an incomplete list of disallowed inputs. NOTE: this issue exists because of an incomplete fix for CVE-2026-79992. (CVE-2026-108976)

 - A flaw was found in Emacs TRAMP. A local attacker could exploit this vulnerability by processing maliciously crafted filenames. This occurs because TRAMP concatenates login arguments without proper sanitization, which are then passed to a local shell. Successful exploitation could lead to arbitrary code execution. (CVE-2026-79992)

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 based on the guidance in TuxCare advisory ALMALINUX9.6:CLSA-2026:1792623317.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1792623317

http://www.nessus.org/u?b0500ce4

Plugin Details

Severity: High

ID: 370237

File Name: tuxcare_rocky_linux_9.6_CLSA-2026-1792623317.nasl

Version: 1.3

Type: Local

Published: 10/22/2026

Updated: 10/29/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.32

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-108976

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

CVSS Score Source: CVE-2026-79992

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 8/24/2026

Reference Information

CVE: CVE-2026-108976, CVE-2026-79992

CLSA: 2026:1792623317