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High ALSA-2026:49508 1 CVE

Important: gstreamer1-plugins-good security update

Published Aug 3, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license.

Security Fix(es):

* gstreamer: GStreamer: Arbitrary code execution via stack-based buffer overflow in qtdemux (CVE-2026-5056)

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.

Fixed packages 2

ReleasePackageFixed in
AlmaLinux · 10 gstreamer1-plugins-good 1.26.7-2.el10_2.2
AlmaLinux · 10 gstreamer1-plugins-good-gtk 1.26.7-2.el10_2.2

Vulnerabilities 1

  • High 7.8
    CVE-2026-5056

    GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability

    GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerabi…

    GStreamer GStreamer gst-plugins-good1.0 gst-plugins-good1.0 Debian Ubuntu Alpine

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-5056
  • report
    https://bugzilla.redhat.com/2508623
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-49508.html