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Ubuntu 26.04 LTS : GStreamer Bad Plugins vulnerabilities (USN-8446-1)

medium Nessus Plugin ID 321649

Synopsis

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

Description

The remote Ubuntu 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8446-1 advisory.

 It was discovered that GStreamer Bad Plugins incorrectly handled parsing H.266/VVC picture partition data.
 An attacker could use this issue to cause GStreamer Bad Plugins to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-53701)

 It was discovered that GStreamer Bad Plugins incorrectly handled parsing H.265 buffering period metadata.
 An attacker could use this issue to cause GStreamer Bad Plugins to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2026-53702)

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-8446-1

Plugin Details

Severity: Medium

ID: 321649

File Name: ubuntu_USN-8446-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/20/2026

Updated: 6/20/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-53702

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: p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-plugins-bad, p-cpe:/a:canonical:ubuntu_linux:libgstreamer-plugins-bad1.0-0, p-cpe:/a:canonical:ubuntu_linux:libgstreamer-plugins-extra1.0-0, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-plugins-bad-apps, p-cpe:/a:canonical:ubuntu_linux:gir1.2-gst-plugins-bad-1.0, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-opencv, p-cpe:/a:canonical:ubuntu_linux:libgstreamer-opencv1.0-0, p-cpe:/a:canonical:ubuntu_linux:gstreamer1.0-plugins-extra, p-cpe:/a:canonical:ubuntu_linux:libgstreamer-plugins-bad1.0-dev, p-cpe:/a:canonical:ubuntu_linux:gir1.2-gst-plugins-extra-1.0, p-cpe:/a:canonical:ubuntu_linux:libgstreamer-plugins-extra1.0-dev, cpe:/o:canonical:ubuntu_linux:26.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2026

Vulnerability Publication Date: 6/11/2026

Reference Information

CVE: CVE-2026-53701, CVE-2026-53702

USN: 8446-1