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Gstreamer EUVDEUVD-2026-12117

| CVE-2026-2922 HIGH
Out-of-bounds Write (CWE-787)
2026-03-13 zdi
Buffer Overflow RCE Memory Corruption Gstreamer
7.8
CVSS 3.1 · Vendor: zdi
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Severity by source

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

Primary rating from Vendor (zdi).

CVSS VectorVendor: zdi

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Local
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-2026-12117
Analysis Generated
Mar 13, 2026 - 21:01 vuln.today
CVE Published
Mar 13, 2026 - 20:38 nvd
HIGH 7.8

DescriptionCVE.org

GStreamer RealMedia Demuxer Out-Of-Bounds Write 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 video packets. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28845.

AnalysisAI

Critical remote code execution vulnerability in GStreamer's RealMedia demuxer component, allowing attackers to execute arbitrary code via malformed video packets that trigger an out-of-bounds write. The vulnerability affects all versions of GStreamer (CPE indicates wildcard versioning) and requires user interaction to process malicious media files. While no active exploitation is reported (not in KEV), the availability of a vendor patch and ZDI advisory suggests this vulnerability has been responsibly disclosed and addressed.

Technical ContextAI

The vulnerability exists in GStreamer, an open-source multimedia framework widely used in Linux distributions and applications for media playback. According to the CPE string (cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*), all versions are potentially affected. The flaw is classified as CWE-787 (Out-of-bounds Write), occurring specifically in the RealMedia demuxer component when processing video packets. This type of memory corruption vulnerability allows writing data beyond allocated buffer boundaries, potentially overwriting critical memory regions and enabling arbitrary code execution.

RemediationAI

Apply the official patch available at https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/88df8d2cd063b95a076e8041b47f778a4402f363. Users should update to the latest patched version of GStreamer through their distribution's package manager or rebuild from source with the patch applied. As a temporary mitigation, disable or remove the RealMedia demuxer plugin if RealMedia file support is not required, or implement strict input validation for media files from untrusted sources.

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Same weakness CWE-787 – Out-of-bounds Write

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CVE-2014-1761 HIGH POC
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CVE-2009-3129 HIGH POC
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CVE-2021-1732 HIGH POC
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CVE-2013-3346 CRITICAL POC
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Same technique Buffer Overflow

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CVE-2017-7269 CRITICAL POC
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CVE-2009-0927 HIGH POC
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Vendor StatusVendor

SUSE

Severity: High
Product Status
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.70 Container suse/sl-micro/6.0/base-os-container:2.1.3-7.38 Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.62 Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.72 Image SL-Micro Affected
Container suse/sl-micro/6.0/toolbox:13.2-9.23 Affected
Image SL-Micro-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-Azure-ltd Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-EC2-llc Image SUSE-Multi-Linux-Manager-Server-EC2-ltd Affected
SUSE Liberty Linux 10 Fixed
SUSE Liberty Linux 9 Fixed

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EUVD-2026-12117 vulnerability details – vuln.today
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