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Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process. 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 vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of UncompressedFrameConfigBox structures. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29392.
FEDORA-2026-1e22d3b0bf (mingw-gstreamer1-plugins-good-1.26.11-2.fc43) has been submitted as an update to Fedora 43. https://bodhi.fedoraproject.org/updates/FEDORA-2026-1e22d3b0bf
FEDORA-2026-1e22d3b0bf has been pushed to the Fedora 43 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-1e22d3b0bf` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1e22d3b0bf See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-2026-1e22d3b0bf (mingw-gstreamer1-plugins-good-1.26.11-2.fc43) has been pushed to the Fedora 43 stable repository. If problem still persists, please make note of it in this bug report.