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Gstreamer EUVDEUVD-2026-12115

| CVE-2026-2921 HIGH
Integer Overflow or Wraparound (CWE-190)
2026-03-13 zdi
RCE Integer Overflow 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-2026-12115
Analysis Generated
Mar 13, 2026 - 21:01 vuln.today
CVE Published
Mar 13, 2026 - 20:41 nvd
HIGH 7.8

DescriptionCVE.org

GStreamer RIFF Palette Integer 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 handling of palette data in AVI files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28854.

AnalysisAI

CVE-2026-2921 is an integer overflow vulnerability in GStreamer's RIFF palette handling for AVI files that allows remote code execution with a CVSS score of 7.8. The vulnerability affects all versions of GStreamer (based on CPE wildcard) and requires user interaction to exploit, such as opening a malicious AVI file. No evidence of active exploitation (not in KEV), no public POC mentioned, and EPSS data not provided.

Technical ContextAI

GStreamer is an open-source multimedia framework used across multiple platforms for audio/video processing. The vulnerability exists in the RIFF (Resource Interchange File Format) parser when handling palette data in AVI files. The root cause is CWE-190 (Integer Overflow or Wraparound), where insufficient validation of user-supplied palette data can cause integer overflow before memory write operations. Based on the CPE string (cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:*), all versions of GStreamer are potentially affected until patched.

RemediationAI

A patch is available through GStreamer's GitLab repository (commit e3a99c35266fc92dd6a18ac5fde028d0cda559e6). Users should update to the latest patched version of GStreamer that includes this commit. As a temporary mitigation, avoid processing untrusted AVI files or implement input validation for media files before GStreamer processing. Monitor the ZDI advisory (ZDI-26-168) for additional details.

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Same weakness CWE-190 – Integer Overflow or Wraparound

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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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EUVD-2026-12115 vulnerability details – vuln.today
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