Linux Distros Unpatched Vulnerability : CVE-2026-18297

high Nessus Plugin ID 338696

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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.

- GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer.
User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of OGG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Was ZDI-CAN-29584. (CVE-2026-18297)

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: 338696

File Name: unpatched_CVE_2026_18297.nasl

Version: 1.6

Type: Local

Agent: unix

Family: Misc.

Published: 8/21/2026

Updated: 8/26/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.19

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-18297

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:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0, p-cpe:/a:centos:centos:gstreamer-devel-docs, p-cpe:/a:centos:centos:gstreamer-devel, p-cpe:/a:centos:centos:gstreamer-tools, p-cpe:/a:centos:centos:gstreamer1-devel-docs, p-cpe:/a:centos:centos:gstreamer1-devel, p-cpe:/a:centos:centos:gstreamer1, p-cpe:/a:centos:centos:gstreamer, p-cpe:/a:centos:centos:mingw32-gstreamer1, p-cpe:/a:centos:centos:mingw64-gstreamer1, p-cpe:/a:debian:debian_linux:gst-plugins-base1.0, p-cpe:/a:redhat:enterprise_linux:gstreamer-devel-docs, p-cpe:/a:redhat:enterprise_linux:gstreamer-devel, p-cpe:/a:redhat:enterprise_linux:gstreamer-tools, p-cpe:/a:redhat:enterprise_linux:gstreamer1-devel-docs, p-cpe:/a:redhat:enterprise_linux:gstreamer1-devel, p-cpe:/a:redhat:enterprise_linux:gstreamer1, p-cpe:/a:redhat:enterprise_linux:gstreamer, p-cpe:/a:redhat:enterprise_linux:mingw32-gstreamer1, p-cpe:/a:redhat:enterprise_linux:mingw64-gstreamer1

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

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-18297

Detections

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