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Rocky Linux 9.6 [TuxCare] Security Update: cpp / cross-gcc-aarch64 / cross-gcc-c++-aarch64 / gcc / gcc-c++ / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779218750)

medium Nessus Plugin ID 361836

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-2026:1779218750 advisory.

 - Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
 (CVE-2021-3826)

 - 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)

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-2026:1779218750.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2026:1779218750

http://www.nessus.org/u?727a39f4

Plugin Details

Severity: Medium

ID: 361836

File Name: tuxcare_rocky_linux_9.6_CLSA-2026-1779218750.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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-2021-46195

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/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

CVSS Score Source: CVE-2021-3826

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/19/2026

Vulnerability Publication Date: 1/14/2022

Reference Information

CVE: CVE-2021-3826, CVE-2021-46195

CLSA: 2026:1779218750