Linux Distros Unpatched Vulnerability : CVE-2026-0885

medium Nessus Plugin ID 282664

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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.

- Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7. (CVE-2026-0885)

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: Medium

ID: 282664

File Name: unpatched_CVE_2026_0885.nasl

Version: 1.5

Type: local

Agent: unix

Family: Misc.

Published: 1/13/2026

Updated: 1/16/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-0885

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 6

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:mozjs115, p-cpe:/a:redhat:enterprise_linux:firefox-flatpak, p-cpe:/a:canonical:ubuntu_linux:mozjs38, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:debian:debian_linux:firefox-esr, p-cpe:/a:canonical:ubuntu_linux:thunderbird, p-cpe:/a:canonical:ubuntu_linux:mozjs52, p-cpe:/a:canonical:ubuntu_linux:mozjs78, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:canonical:ubuntu_linux:mozjs102, p-cpe:/a:centos:centos:firefox, p-cpe:/a:centos:centos:firefox-flatpak, cpe:/o:canonical:ubuntu_linux:25.04, cpe:/o:centos:centos:7, p-cpe:/a:canonical:ubuntu_linux:mozjs68, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:canonical:ubuntu_linux:mozjs91, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:redhat:enterprise_linux:firefox

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

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2026-0885

Detections

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