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Linux Distros Unpatched Vulnerability : CVE-2018-20846

medium Nessus Plugin ID 222193

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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.

 - Out-of-bounds accesses in the functions pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash). (CVE-2018-20846)

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

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2018-20846

https://ubuntu.com/security/CVE-2018-20846

Plugin Details

Severity: Medium

ID: 222193

File Name: unpatched_CVE_2018_20846.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 8/25/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2018-20846

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8, 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:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:openjpeg, p-cpe:/a:canonical:ubuntu_linux:blender, p-cpe:/a:canonical:ubuntu_linux:texmaker, p-cpe:/a:canonical:ubuntu_linux:insighttoolkit4, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:centos:centos:openjpeg, p-cpe:/a:canonical:ubuntu_linux:emscripten, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:centos:centos:openjpeg2, p-cpe:/a:canonical:ubuntu_linux:qtwebengine-opensource-src, p-cpe:/a:redhat:enterprise_linux:openjpeg2, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:openjpeg, cpe:/o:canonical:ubuntu_linux:20.04:-:lts

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/26/2019

Reference Information

CVE: CVE-2018-20846