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RHEL 9 : gcc-toolset-16-gcc (RHSA-2026:98483)

high Nessus Plugin ID 378801

Synopsis

The remote Red Hat host is missing a security update for gcc-toolset-16-gcc.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:98483 advisory.

 The gcc-toolset-16-gcc13 package contains the GNU Compiler Collection version 16.

 Security Fix(es):

 * gcc-toolset-15-gcc: gcc: gcc-toolset-16: gcc: Denial of Service via use-after-free in binary heap erase_if (CVE-2026-102010)

 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL gcc-toolset-16-gcc package based on the guidance in RHSA-2026:98483.

See Also

https://access.redhat.com/errata/RHSA-2026:98483

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

https://bugzilla.redhat.com/show_bug.cgi?id=2478395

http://www.nessus.org/u?247116a3

Plugin Details

Severity: High

ID: 378801

File Name: redhat-RHSA-2026-98483.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/11/2026

Updated: 11/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.43

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-102010

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-gcc-c%2b%2b, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-gcc-gfortran, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-gcc-plugin-annobin, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-gcc-plugin-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-gcc, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libasan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libatomic-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libgccjit-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libgccjit, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libgdiagnostics-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libitm-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-liblsan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libquadmath-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libstdc%2b%2b-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libstdc%2b%2b-docs, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libtsan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-libubsan-devel, p-cpe:/a:redhat:enterprise_linux:gcc-toolset-16-offload-nvptx, p-cpe:/a:redhat:enterprise_linux:libasan8, p-cpe:/a:redhat:enterprise_linux:libgdiagnostics, p-cpe:/a:redhat:enterprise_linux:liblsan, p-cpe:/a:redhat:enterprise_linux:libtsan2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 9/28/2026

Reference Information

CVE: CVE-2026-102010

CWE: 825

RHSA: 2026:98483