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Permalink CVE-2026-5056

7.8 HIGH

CVSS version (CVSS): 3.0
Attack Vector (AV): Local (L)
Attack Complexity (AC): Low (L)
Privileges Required (PR): None (N)
User Interaction (UI): Required (R)
Scope (S): Unchanged (U)
Confidentiality (C): High (H)
Integrity (I): High (H)
Availability (A): High (H)
Modified Attack Vector (MAV): Local (L)
Modified Attack Complexity (MAC): Low (L)
Modified Privileges Required (MPR): None (N)
Modified User Interaction (MUI): Required (R)
Modified Confidentiality (MC): High (H)
Modified Scope (MS): Unchanged (U)
Modified Integrity (MI): High (H)
Modified Availability (MA): High (H)

created 6 days, 14 hours ago Activity log

Created suggestion 6 days, 14 hours ago

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 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.

References

ZDI-26-283 x_research-advisory
vendor-provided URL vendor-advisory
http://www.openwall.com/lists/oss-security/2026/05/01/1

Affected products

GStreamer

==a303670510771b993867ddf62bff3bce0cb988c3

Matching in nixpkgs

pkgs.gst_all_1.gst-vaapi

None

nixos-unstable 1.26.11
- nixpkgs-unstable 1.26.11
nixos-26.05 1.26.11
- nixos-26.05-small 1.26.11
- nixpkgs-26.05-darwin 1.26.11

pkgs.gst_all_1.gstreamer

Open source multimedia framework

nixos-unstable 1.26.11
- nixpkgs-unstable 1.26.11
- nixos-unstable-small 1.28.4
nixos-26.05 1.26.11
- nixos-26.05-small 1.26.11
- nixpkgs-26.05-darwin 1.26.11

pkgs.gst_all_1.gstreamermm

C++ interface for GStreamer

nixos-unstable 1.10.0
- nixpkgs-unstable 1.10.0
- nixos-unstable-small 1.10.0
nixos-26.05 1.10.0
- nixos-26.05-small 1.10.0
- nixpkgs-26.05-darwin 1.10.0

pkgs.ocamlPackages.gstreamer

Bindings for the GStreamer library which provides functions for playning and manipulating multimedia streams

nixos-unstable 0.3.1
- nixpkgs-unstable 0.3.1
- nixos-unstable-small 0.3.1
nixos-26.05 0.3.1
- nixos-26.05-small 0.3.1
- nixpkgs-26.05-darwin 0.3.1

pkgs.ocamlPackages_latest.gstreamer

Bindings for the GStreamer library which provides functions for playning and manipulating multimedia streams

nixos-unstable 0.3.1
- nixpkgs-unstable 0.3.1
- nixos-unstable-small 0.3.1
nixos-26.05 0.3.1
- nixos-26.05-small 0.3.1
- nixpkgs-26.05-darwin 0.3.1

pkgs.obs-studio-plugins.obs-gstreamer

OBS Studio source, encoder and video filter plugin to use GStreamer elements/pipelines in OBS Studio

nixos-unstable 0.4.1
- nixpkgs-unstable 0.4.1
- nixos-unstable-small 0.4.1
nixos-26.05 0.4.1
- nixos-26.05-small 0.4.1
- nixpkgs-26.05-darwin 0.4.1

Package maintainers

@hesiod Tobias Markus <tobias@markus-regensburg.de>
@romildo José Romildo Malaquias <malaquias@gmail.com>
@alesya-h Alesya Huzik <ah1990au@gmail.com>
@PedroHLC Pedro Lara Campos <root@pedrohlc.com>
@D4ndellion Daniel Olsen <daniel@dodsorf.as>