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[USN-8205-1] GStreamer Bad Plugins vulnerabilities

Posted on 24 April 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8205-1
April 23, 2026

gst-plugins-bad1.0 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in GStreamer Bad Plugins.

Software Description:
- gst-plugins-bad1.0: GStreamer plugins

Details:

It was discovered that multiple plugins in GStreamer contained arithmetic
overflows. An attacker could possibly use this issue to cause applications
using the plugins to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2023-37329, CVE-2023-40474, CVE-2023-40475,
CVE-2023-40476)

It was discovered that the MXF demuxer plugin in GStreamer did not
properly manage memory. An attacker could possibly use this issue to cause
applications using the plugin to crash, resulting in a denial of service,
or possibly execute arbitrary code. (CVE-2023-44446)

It was discovered that the H265 codec plugin in GStreamer could be made
to write out of bounds. An attacker could possibly use this issue to
cause applications using the plugin to crash, resulting in a denial of
service, or possibly execute arbitrary code. (CVE-2025-3887)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS
gstreamer1.0-plugins-bad 1.14.5-0ubuntu1~18.04.1+esm1
Available with Ubuntu Pro
libgstreamer-plugins-bad1.0-0 1.14.5-0ubuntu1~18.04.1+esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
gstreamer1.0-plugins-bad 1.8.3-1ubuntu0.2+esm1
Available with Ubuntu Pro
libgstreamer-plugins-bad1.0-0 1.8.3-1ubuntu0.2+esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8205-1
CVE-2023-37329, CVE-2023-40474, CVE-2023-40475, CVE-2023-40476,
CVE-2023-44446, CVE-2025-3887

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