Linux Distros Unpatched Vulnerability : CVE-2026-6846

high Nessus Plugin ID 309646

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.
(CVE-2026-6846)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 309646

File Name: unpatched_CVE_2026_6846.nasl

Version: 1.7

Type: Local

Agent: unix

Family: Misc.

Published: 4/22/2026

Updated: 5/14/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-6846

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:14.0, p-cpe:/a:canonical:ubuntu_linux:binutils, p-cpe:/a:redhat:enterprise_linux:gdb-gdbserver, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:gdb-headless, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:centos:centos:gdb-gdbserver, cpe:/o:canonical:ubuntu_linux:26.04, p-cpe:/a:redhat:enterprise_linux:mingw32-binutils, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:redhat:enterprise_linux:gdb, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:centos:centos:mingw32-binutils, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:gdb-doc, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:redhat:enterprise_linux:gdb-doc, p-cpe:/a:redhat:enterprise_linux:mingw64-binutils, p-cpe:/a:redhat:enterprise_linux:gdb-headless, p-cpe:/a:centos:centos:mingw64-binutils, p-cpe:/a:redhat:enterprise_linux:mingw-binutils, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:centos:centos:mingw-binutils, p-cpe:/a:centos:centos:mingw-binutils-generic, p-cpe:/a:debian:debian_linux:binutils, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:centos:centos:gdb, p-cpe:/a:redhat:enterprise_linux:mingw-binutils-generic

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/22/2026

Reference Information

CVE: CVE-2026-6846

Detections

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