Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : GStreamer Good Plugins vulnerabilities (USN-8863-1)

medium Nessus Plugin ID 362685

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8863-1 advisory.

Yazan Balawneh discovered that GStreamer Good Plugins incorrectly handled certain FLAC audio streams. An attacker could possibly use this issue to obtain sensitive information. (CVE-2026-17072)

Seonwook Kim discovered that GStreamer Good Plugins incorrectly parsed certain AVI files. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information.
(CVE-2026-73433)

Seonwook Kim discovered that GStreamer Good Plugins did not correctly parse certain AVI files. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-73434)

Seonwook Kim discovered that GStreamer Good Plugins incorrectly handled certain closed caption data. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-88914)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8863-1

Plugin Details

Severity: Medium

ID: 362685

File Name: ubuntu_USN-8863-1.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 10/2/2026

Updated: 10/3/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.47

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-73434

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.8

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

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

CVSS Score Source: CVE-2026-73433

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, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-gtk3, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-plugins-good, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-pulseaudio, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-qt5, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-qt6, p-cpe:/a:canonical:ubuntu_linux:libgstreamer-plugins-good1.0-0

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/1/2026

Vulnerability Publication Date: 7/28/2026

Reference Information

CVE: CVE-2026-17072, CVE-2026-73433, CVE-2026-73434, CVE-2026-88914

USN: 8863-1