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AlmaLinux 9.2 [TuxCare] Security Update: cpp / cross-gcc-aarch64 / cross-gcc-c++-aarch64 / gcc / gcc-c++ / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1780063601)

medium Nessus Plugin ID 360598

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Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780063601 advisory.

 - GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c.
 This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources. (CVE-2021-46195)

 - libiberty/rust-demangle.c in GNU GCC 11.2 allows stack consumption in demangle_const, as demonstrated by nm-new. (CVE-2022-27943)

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 ALMALINUX9.2:CLSA-2026:1780063601.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1780063601

http://www.nessus.org/u?de113e11

Plugin Details

Severity: Medium

ID: 360598

File Name: tuxcare_alma_linux_9.2_CLSA-2026-1780063601.nasl

Version: 1.2

Type: Local

Published: 10/1/2026

Updated: 10/23/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2022-27943

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 1/14/2022

Reference Information

CVE: CVE-2021-46195, CVE-2022-27943

CLSA: 2026:1780063601