RHSA-2026:36673: Moderate: gstreamer1-plugins-ugly-free security update

Published Jul 8, 2026
·
Updated

GStreamer is a streaming media framework, based on graphs of elements which operate on media data. This package contains plug-ins whose license is not fully compatible with LGPL.Security Fix(es): gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer audio stream header parser (CVE-2026-53703) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Other sources

Moderate: gstreamer1-plugins-ugly-free security update

Red Hat

Affected Software

22 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64
redhat/gstreamer1-plugins-ugly-free<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free-debuginfo<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free-debugsource<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free-debuginfo<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free-debugsource<1.26.7-2.el10_2.1
1.26.7-2.el10_2.1
redhat/gstreamer1-plugins-ugly-free<1.26.7-2.el10_2.1.aa
1.26.7-2.el10_2.1.aa
redhat/gstreamer1-plugins-ugly-free-debuginfo<1.26.7-2.el10_2.1.aa
1.26.7-2.el10_2.1.aa
redhat/gstreamer1-plugins-ugly-free-debugsource<1.26.7-2.el10_2.1.aa
1.26.7-2.el10_2.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/gstreamer1-plugins-ugly-free to a version that resolves this vulnerability.

    Fixed in 1.26.7-2.el10_2.1
  2. Upgrade

    Upgrade redhat/gstreamer1-plugins-ugly-free-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.26.7-2.el10_2.1
  3. Upgrade

    Upgrade redhat/gstreamer1-plugins-ugly-free-debugsource to a version that resolves this vulnerability.

    Fixed in 1.26.7-2.el10_2.1
  4. Upgrade

    Upgrade redhat/gstreamer1-plugins-ugly-free to a version that resolves this vulnerability.

    Fixed in 1.26.7-2.el10_2.1.aa
  5. Upgrade

    Upgrade redhat/gstreamer1-plugins-ugly-free-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.26.7-2.el10_2.1.aa
  6. Upgrade

    Upgrade redhat/gstreamer1-plugins-ugly-free-debugsource to a version that resolves this vulnerability.

    Fixed in 1.26.7-2.el10_2.1.aa

Event History

Jul 8, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·11:01 AM
Data Sourced
via Red Hat·11:01 AM
Severity

Frequently Asked Questions

1

What is the severity of RHSA-2026:36673?

The severity of RHSA-2026:36673 is classified as medium.

2

What is the risk associated with RHSA-2026:36673?

The risk associated with RHSA-2026:36673 is rated at 19.

3

How do I fix RHSA-2026:36673?

To fix RHSA-2026:36673, you need to update the GStreamer1-plugins-ugly-free package to the latest version.

4

What vulnerabilities does RHSA-2026:36673 address?

RHSA-2026:36673 addresses an out-of-bounds read vulnerability in the RealMedia demuxer audio stream header.

5

Which software packages are affected by RHSA-2026:36673?

The affected software packages include gstreamer1-plugins-ugly-free, gstreamer1-plugins-ugly-free-debuginfo, and gstreamer1-plugins-ugly-free-debugsource.

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