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Gstreamer CVE-2026-3085

| EUVDEUVD-2026-12129 HIGH
Heap-based Buffer Overflow (CWE-122)
2026-03-13 zdi
Buffer Overflow RCE Heap Overflow Gstreamer
8.8
CVSS 3.1 · Vendor: zdi
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Severity by source

Vendor (zdi) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SUSE
HIGH
qualitative
Red Hat
8.8 HIGH
qualitative

Primary rating from Vendor (zdi).

CVSS VectorVendor: zdi

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Mar 13, 2026 - 21:01 euvd
EUVD-2026-12129
Analysis Generated
Mar 13, 2026 - 21:01 vuln.today
CVE Published
Mar 13, 2026 - 20:40 nvd
HIGH 8.8

DescriptionCVE.org

GStreamer rtpqdm2depay Heap-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 processing of X-QDM RTP payloads. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28851.

AnalysisAI

Heap-based buffer overflow vulnerability in GStreamer's rtpqdm2depay component that allows remote attackers to execute arbitrary code when processing malformed X-QDM RTP payloads. The vulnerability affects all versions of GStreamer (CPE indicates no version restrictions) and requires user interaction to exploit, though attack vectors may vary based on implementation. No active exploitation is known (not in KEV), and no EPSS score is available to assess real-world exploitation probability.

Technical ContextAI

The vulnerability exists in GStreamer's RTP (Real-time Transport Protocol) depayloader for X-QDM (Qualcomm's QDM codec) streams, specifically in the rtpqdm2depay element. This is a classic heap buffer overflow (CWE-122) where the application fails to properly validate the length of user-supplied data before copying it to a heap-allocated buffer. GStreamer is a widely-used multimedia framework that processes audio and video streams, and the affected CPE (cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*) indicates all versions are potentially vulnerable. The flaw was originally tracked as ZDI-CAN-28851 by Zero Day Initiative before receiving its CVE designation.

RemediationAI

A patch is available as indicated by the GitLab commit reference (https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/d60a94dee3c0a0942c9981491bf83e0de1900fbf). Users should update to a GStreamer version that includes this commit. As a temporary mitigation, disable or block processing of X-QDM RTP streams if this functionality is not required. Organizations should audit their GStreamer deployments and prioritize patching systems that process untrusted media streams or are exposed to external inputs.

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Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Liberty Linux 10 Fixed
SUSE Liberty Linux 8 Fixed
SUSE Liberty Linux 9 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed

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CVE-2026-3085 vulnerability details – vuln.today
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